Home / 758,516.28-1,046,749.28-418,984.53

Finding the Fourth Proportional to 758,516.28, 1,046,749.28 and 418,984.53

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Solution

The fourth proportional to 758,516.28, 1,046,749.28 and 418,984.53 is: 578,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,516.28 : 1,046,749.28 = 418,984.53 : x
  2. Step 2: Convert to fraction form
    758,516.28/1,046,749.28 = 418,984.53/x
  3. Step 3: Cross multiply
    758,516.28x = 1,046,749.28 × 418,984.53
  4. Step 4: Simplify right side
    758,516.28x = 438,571,753,013.72
  5. Step 5: Solve for x
    x = 438,571,753,013.72/758,516.28
  6. Step 6: Final answer
    x = 578,196.89

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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.