Home / 768,772.38-1,060,971.48-429,306.24

Finding the Fourth Proportional to 768,772.38, 1,060,971.48 and 429,306.24

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Solution

The fourth proportional to 768,772.38, 1,060,971.48 and 429,306.24 is: 592,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,772.38 : 1,060,971.48 = 429,306.24 : x
  2. Step 2: Convert to fraction form
    768,772.38/1,060,971.48 = 429,306.24/x
  3. Step 3: Cross multiply
    768,772.38x = 1,060,971.48 × 429,306.24
  4. Step 4: Simplify right side
    768,772.38x = 455,481,676,826.04
  5. Step 5: Solve for x
    x = 455,481,676,826.04/768,772.38
  6. Step 6: Final answer
    x = 592,479.24

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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.