Home / 971,330.38-1,341,281.91-609,376.48

Finding the Fourth Proportional to 971,330.38, 1,341,281.91 and 609,376.48

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Solution

The fourth proportional to 971,330.38, 1,341,281.91 and 609,376.48 is: 841,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,330.38 : 1,341,281.91 = 609,376.48 : x
  2. Step 2: Convert to fraction form
    971,330.38/1,341,281.91 = 609,376.48/x
  3. Step 3: Cross multiply
    971,330.38x = 1,341,281.91 × 609,376.48
  4. Step 4: Simplify right side
    971,330.38x = 817,345,649,003.48
  5. Step 5: Solve for x
    x = 817,345,649,003.48/971,330.38
  6. Step 6: Final answer
    x = 841,470.28

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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.