Home / 757,490.40-1,045,358.46-417,980.52

Finding the Fourth Proportional to 757,490.40, 1,045,358.46 and 417,980.52

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Solution

The fourth proportional to 757,490.40, 1,045,358.46 and 417,980.52 is: 576,825.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,490.40 : 1,045,358.46 = 417,980.52 : x
  2. Step 2: Convert to fraction form
    757,490.40/1,045,358.46 = 417,980.52/x
  3. Step 3: Cross multiply
    757,490.40x = 1,045,358.46 × 417,980.52
  4. Step 4: Simplify right side
    757,490.40x = 436,939,472,697.20
  5. Step 5: Solve for x
    x = 436,939,472,697.20/757,490.40
  6. Step 6: Final answer
    x = 576,825.10

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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.