Home / 909,654.72-1,254,373.76-634,332.72

Finding the Fourth Proportional to 909,654.72, 1,254,373.76 and 634,332.72

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Solution

The fourth proportional to 909,654.72, 1,254,373.76 and 634,332.72 is: 874,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,654.72 : 1,254,373.76 = 634,332.72 : x
  2. Step 2: Convert to fraction form
    909,654.72/1,254,373.76 = 634,332.72/x
  3. Step 3: Cross multiply
    909,654.72x = 1,254,373.76 × 634,332.72
  4. Step 4: Simplify right side
    909,654.72x = 795,690,319,077.43
  5. Step 5: Solve for x
    x = 795,690,319,077.43/909,654.72
  6. Step 6: Final answer
    x = 874,716.86

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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.