Home / 908,938.28-1,363,259.75-429,165.15

Finding the Fourth Proportional to 908,938.28, 1,363,259.75 and 429,165.15

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Solution

The fourth proportional to 908,938.28, 1,363,259.75 and 429,165.15 is: 643,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,938.28 : 1,363,259.75 = 429,165.15 : x
  2. Step 2: Convert to fraction form
    908,938.28/1,363,259.75 = 429,165.15/x
  3. Step 3: Cross multiply
    908,938.28x = 1,363,259.75 × 429,165.15
  4. Step 4: Simplify right side
    908,938.28x = 585,063,575,097.71
  5. Step 5: Solve for x
    x = 585,063,575,097.71/908,938.28
  6. Step 6: Final answer
    x = 643,678.00

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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.