Home / 778,581.14-1,073,770.71-506,549.66

Finding the Fourth Proportional to 778,581.14, 1,073,770.71 and 506,549.66

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Solution

The fourth proportional to 778,581.14, 1,073,770.71 and 506,549.66 is: 698,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,581.14 : 1,073,770.71 = 506,549.66 : x
  2. Step 2: Convert to fraction form
    778,581.14/1,073,770.71 = 506,549.66/x
  3. Step 3: Cross multiply
    778,581.14x = 1,073,770.71 × 506,549.66
  4. Step 4: Simplify right side
    778,581.14x = 543,918,188,068.46
  5. Step 5: Solve for x
    x = 543,918,188,068.46/778,581.14
  6. Step 6: Final answer
    x = 698,601.80

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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.