Home / 1,005,475.02-1,508,268.42-331,529.10

Finding the Fourth Proportional to 1,005,475.02, 1,508,268.42 and 331,529.10

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Solution

The fourth proportional to 1,005,475.02, 1,508,268.42 and 331,529.10 is: 497,312.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,475.02 : 1,508,268.42 = 331,529.10 : x
  2. Step 2: Convert to fraction form
    1,005,475.02/1,508,268.42 = 331,529.10/x
  3. Step 3: Cross multiply
    1,005,475.02x = 1,508,268.42 × 331,529.10
  4. Step 4: Simplify right side
    1,005,475.02x = 500,034,871,841.02
  5. Step 5: Solve for x
    x = 500,034,871,841.02/1,005,475.02
  6. Step 6: Final answer
    x = 497,312.08

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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.