Home / 708,666.60-1,063,604.70-288,244.20

Finding the Fourth Proportional to 708,666.60, 1,063,604.70 and 288,244.20

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Solution

The fourth proportional to 708,666.60, 1,063,604.70 and 288,244.20 is: 432,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,666.60 : 1,063,604.70 = 288,244.20 : x
  2. Step 2: Convert to fraction form
    708,666.60/1,063,604.70 = 288,244.20/x
  3. Step 3: Cross multiply
    708,666.60x = 1,063,604.70 × 288,244.20
  4. Step 4: Simplify right side
    708,666.60x = 306,577,885,867.74
  5. Step 5: Solve for x
    x = 306,577,885,867.74/708,666.60
  6. Step 6: Final answer
    x = 432,612.30

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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.