Home / 1,011,373.02-1,517,117.85-380,292.30

Finding the Fourth Proportional to 1,011,373.02, 1,517,117.85 and 380,292.30

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Solution

The fourth proportional to 1,011,373.02, 1,517,117.85 and 380,292.30 is: 570,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,373.02 : 1,517,117.85 = 380,292.30 : x
  2. Step 2: Convert to fraction form
    1,011,373.02/1,517,117.85 = 380,292.30/x
  3. Step 3: Cross multiply
    1,011,373.02x = 1,517,117.85 × 380,292.30
  4. Step 4: Simplify right side
    1,011,373.02x = 576,948,236,547.56
  5. Step 5: Solve for x
    x = 576,948,236,547.56/1,011,373.02
  6. Step 6: Final answer
    x = 570,460.38

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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.