Home / 977,876.91-1,349,473.23-542,325.33

Finding the Fourth Proportional to 977,876.91, 1,349,473.23 and 542,325.33

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Solution

The fourth proportional to 977,876.91, 1,349,473.23 and 542,325.33 is: 748,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,876.91 : 1,349,473.23 = 542,325.33 : x
  2. Step 2: Convert to fraction form
    977,876.91/1,349,473.23 = 542,325.33/x
  3. Step 3: Cross multiply
    977,876.91x = 1,349,473.23 × 542,325.33
  4. Step 4: Simplify right side
    977,876.91x = 731,853,514,785.92
  5. Step 5: Solve for x
    x = 731,853,514,785.92/977,876.91
  6. Step 6: Final answer
    x = 748,410.67

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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.