Home / 990,046.10-1,366,265.14-537,338.18

Finding the Fourth Proportional to 990,046.10, 1,366,265.14 and 537,338.18

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Solution

The fourth proportional to 990,046.10, 1,366,265.14 and 537,338.18 is: 741,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,046.10 : 1,366,265.14 = 537,338.18 : x
  2. Step 2: Convert to fraction form
    990,046.10/1,366,265.14 = 537,338.18/x
  3. Step 3: Cross multiply
    990,046.10x = 1,366,265.14 × 537,338.18
  4. Step 4: Simplify right side
    990,046.10x = 734,146,423,725.05
  5. Step 5: Solve for x
    x = 734,146,423,725.05/990,046.10
  6. Step 6: Final answer
    x = 741,527.51

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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.