Home / 880,714.96-1,215,604.20-498,966.64

Finding the Fourth Proportional to 880,714.96, 1,215,604.20 and 498,966.64

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Solution

The fourth proportional to 880,714.96, 1,215,604.20 and 498,966.64 is: 688,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,714.96 : 1,215,604.20 = 498,966.64 : x
  2. Step 2: Convert to fraction form
    880,714.96/1,215,604.20 = 498,966.64/x
  3. Step 3: Cross multiply
    880,714.96x = 1,215,604.20 × 498,966.64
  4. Step 4: Simplify right side
    880,714.96x = 606,545,943,243.89
  5. Step 5: Solve for x
    x = 606,545,943,243.89/880,714.96
  6. Step 6: Final answer
    x = 688,697.22

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1.5x scale

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.