Home / 758,537.46-1,046,692.53-418,985.46

Finding the Fourth Proportional to 758,537.46, 1,046,692.53 and 418,985.46

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Solution

The fourth proportional to 758,537.46, 1,046,692.53 and 418,985.46 is: 578,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,537.46 : 1,046,692.53 = 418,985.46 : x
  2. Step 2: Convert to fraction form
    758,537.46/1,046,692.53 = 418,985.46/x
  3. Step 3: Cross multiply
    758,537.46x = 1,046,692.53 × 418,985.46
  4. Step 4: Simplify right side
    758,537.46x = 438,548,951,160.61
  5. Step 5: Solve for x
    x = 438,548,951,160.61/758,537.46
  6. Step 6: Final answer
    x = 578,150.68

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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.