Home / 704,962.56-972,526.08-490,613.76

Finding the Fourth Proportional to 704,962.56, 972,526.08 and 490,613.76

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Solution

The fourth proportional to 704,962.56, 972,526.08 and 490,613.76 is: 676,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,962.56 : 972,526.08 = 490,613.76 : x
  2. Step 2: Convert to fraction form
    704,962.56/972,526.08 = 490,613.76/x
  3. Step 3: Cross multiply
    704,962.56x = 972,526.08 × 490,613.76
  4. Step 4: Simplify right side
    704,962.56x = 477,134,676,806.86
  5. Step 5: Solve for x
    x = 477,134,676,806.86/704,962.56
  6. Step 6: Final answer
    x = 676,822.72

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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.