Home / 908,935.28-1,363,255.25-429,162.15

Finding the Fourth Proportional to 908,935.28, 1,363,255.25 and 429,162.15

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Solution

The fourth proportional to 908,935.28, 1,363,255.25 and 429,162.15 is: 643,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,935.28 : 1,363,255.25 = 429,162.15 : x
  2. Step 2: Convert to fraction form
    908,935.28/1,363,255.25 = 429,162.15/x
  3. Step 3: Cross multiply
    908,935.28x = 1,363,255.25 × 429,162.15
  4. Step 4: Simplify right side
    908,935.28x = 585,057,554,088.79
  5. Step 5: Solve for x
    x = 585,057,554,088.79/908,935.28
  6. Step 6: Final answer
    x = 643,673.50

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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.