Home / 972,141.35-1,341,340.29-564,006.78

Finding the Fourth Proportional to 972,141.35, 1,341,340.29 and 564,006.78

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Solution

The fourth proportional to 972,141.35, 1,341,340.29 and 564,006.78 is: 778,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,141.35 : 1,341,340.29 = 564,006.78 : x
  2. Step 2: Convert to fraction form
    972,141.35/1,341,340.29 = 564,006.78/x
  3. Step 3: Cross multiply
    972,141.35x = 1,341,340.29 × 564,006.78
  4. Step 4: Simplify right side
    972,141.35x = 756,525,017,847.17
  5. Step 5: Solve for x
    x = 756,525,017,847.17/972,141.35
  6. Step 6: Final answer
    x = 778,204.76

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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.