Home / 965,417.10-1,448,125.65-255,516.90

Finding the Fourth Proportional to 965,417.10, 1,448,125.65 and 255,516.90

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Solution

The fourth proportional to 965,417.10, 1,448,125.65 and 255,516.90 is: 383,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,417.10 : 1,448,125.65 = 255,516.90 : x
  2. Step 2: Convert to fraction form
    965,417.10/1,448,125.65 = 255,516.90/x
  3. Step 3: Cross multiply
    965,417.10x = 1,448,125.65 × 255,516.90
  4. Step 4: Simplify right side
    965,417.10x = 370,020,576,898.49
  5. Step 5: Solve for x
    x = 370,020,576,898.49/965,417.10
  6. Step 6: Final answer
    x = 383,275.35

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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.