Home / 972,348.93-1,341,833.76-564,488.62

Finding the Fourth Proportional to 972,348.93, 1,341,833.76 and 564,488.62

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Solution

The fourth proportional to 972,348.93, 1,341,833.76 and 564,488.62 is: 778,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,348.93 : 1,341,833.76 = 564,488.62 : x
  2. Step 2: Convert to fraction form
    972,348.93/1,341,833.76 = 564,488.62/x
  3. Step 3: Cross multiply
    972,348.93x = 1,341,833.76 × 564,488.62
  4. Step 4: Simplify right side
    972,348.93x = 757,449,877,920.20
  5. Step 5: Solve for x
    x = 757,449,877,920.20/972,348.93
  6. Step 6: Final answer
    x = 778,989.78

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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.