Home / 768,774.96-1,060,810.56-429,257.52

Finding the Fourth Proportional to 768,774.96, 1,060,810.56 and 429,257.52

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Solution

The fourth proportional to 768,774.96, 1,060,810.56 and 429,257.52 is: 592,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,774.96 : 1,060,810.56 = 429,257.52 : x
  2. Step 2: Convert to fraction form
    768,774.96/1,060,810.56 = 429,257.52/x
  3. Step 3: Cross multiply
    768,774.96x = 1,060,810.56 × 429,257.52
  4. Step 4: Simplify right side
    768,774.96x = 455,360,910,175.41
  5. Step 5: Solve for x
    x = 455,360,910,175.41/768,774.96
  6. Step 6: Final answer
    x = 592,320.16

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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.