Home / 758,156.80-1,046,236.24-418,617.76

Finding the Fourth Proportional to 758,156.80, 1,046,236.24 and 418,617.76

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Solution

The fourth proportional to 758,156.80, 1,046,236.24 and 418,617.76 is: 577,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,156.80 : 1,046,236.24 = 418,617.76 : x
  2. Step 2: Convert to fraction form
    758,156.80/1,046,236.24 = 418,617.76/x
  3. Step 3: Cross multiply
    758,156.80x = 1,046,236.24 × 418,617.76
  4. Step 4: Simplify right side
    758,156.80x = 437,973,071,219.62
  5. Step 5: Solve for x
    x = 437,973,071,219.62/758,156.80
  6. Step 6: Final answer
    x = 577,681.39

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Double scale
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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.