Home / 757,306.04-1,045,065.50-417,774.20

Finding the Fourth Proportional to 757,306.04, 1,045,065.50 and 417,774.20

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Solution

The fourth proportional to 757,306.04, 1,045,065.50 and 417,774.20 is: 576,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,306.04 : 1,045,065.50 = 417,774.20 : x
  2. Step 2: Convert to fraction form
    757,306.04/1,045,065.50 = 417,774.20/x
  3. Step 3: Cross multiply
    757,306.04x = 1,045,065.50 × 417,774.20
  4. Step 4: Simplify right side
    757,306.04x = 436,601,395,895.90
  5. Step 5: Solve for x
    x = 436,601,395,895.90/757,306.04
  6. Step 6: Final answer
    x = 576,519.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.