Home / 979,253.76-1,351,379.52-571,609.92

Finding the Fourth Proportional to 979,253.76, 1,351,379.52 and 571,609.92

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Solution

The fourth proportional to 979,253.76, 1,351,379.52 and 571,609.92 is: 788,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,253.76 : 1,351,379.52 = 571,609.92 : x
  2. Step 2: Convert to fraction form
    979,253.76/1,351,379.52 = 571,609.92/x
  3. Step 3: Cross multiply
    979,253.76x = 1,351,379.52 × 571,609.92
  4. Step 4: Simplify right side
    979,253.76x = 772,461,939,316.84
  5. Step 5: Solve for x
    x = 772,461,939,316.84/979,253.76
  6. Step 6: Final answer
    x = 788,827.14

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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.