Home / 908,935.72-1,363,255.91-429,162.59

Finding the Fourth Proportional to 908,935.72, 1,363,255.91 and 429,162.59

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Solution

The fourth proportional to 908,935.72, 1,363,255.91 and 429,162.59 is: 643,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,935.72 : 1,363,255.91 = 429,162.59 : x
  2. Step 2: Convert to fraction form
    908,935.72/1,363,255.91 = 429,162.59/x
  3. Step 3: Cross multiply
    908,935.72x = 1,363,255.91 × 429,162.59
  4. Step 4: Simplify right side
    908,935.72x = 585,058,438,430.73
  5. Step 5: Solve for x
    x = 585,058,438,430.73/908,935.72
  6. Step 6: Final answer
    x = 643,674.16

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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.