Home / 1,528,096.80-2,292,145.20-390,856.80

Finding the Fourth Proportional to 1,528,096.80, 2,292,145.20 and 390,856.80

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Solution

The fourth proportional to 1,528,096.80, 2,292,145.20 and 390,856.80 is: 586,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,096.80 : 2,292,145.20 = 390,856.80 : x
  2. Step 2: Convert to fraction form
    1,528,096.80/2,292,145.20 = 390,856.80/x
  3. Step 3: Cross multiply
    1,528,096.80x = 2,292,145.20 × 390,856.80
  4. Step 4: Simplify right side
    1,528,096.80x = 895,900,538,007.36
  5. Step 5: Solve for x
    x = 895,900,538,007.36/1,528,096.80
  6. Step 6: Final answer
    x = 586,285.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.