Home / 778,332.80-1,167,594.88-266,082.32

Finding the Fourth Proportional to 778,332.80, 1,167,594.88 and 266,082.32

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Solution

The fourth proportional to 778,332.80, 1,167,594.88 and 266,082.32 is: 399,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,332.80 : 1,167,594.88 = 266,082.32 : x
  2. Step 2: Convert to fraction form
    778,332.80/1,167,594.88 = 266,082.32/x
  3. Step 3: Cross multiply
    778,332.80x = 1,167,594.88 × 266,082.32
  4. Step 4: Simplify right side
    778,332.80x = 310,676,354,490.52
  5. Step 5: Solve for x
    x = 310,676,354,490.52/778,332.80
  6. Step 6: Final answer
    x = 399,156.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.