Home / 668,053.40-1,002,080.10-508,621.10

Finding the Fourth Proportional to 668,053.40, 1,002,080.10 and 508,621.10

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Solution

The fourth proportional to 668,053.40, 1,002,080.10 and 508,621.10 is: 762,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,053.40 : 1,002,080.10 = 508,621.10 : x
  2. Step 2: Convert to fraction form
    668,053.40/1,002,080.10 = 508,621.10/x
  3. Step 3: Cross multiply
    668,053.40x = 1,002,080.10 × 508,621.10
  4. Step 4: Simplify right side
    668,053.40x = 509,679,082,750.11
  5. Step 5: Solve for x
    x = 509,679,082,750.11/668,053.40
  6. Step 6: Final answer
    x = 762,931.65

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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.