Home / 762,990.68-1,052,931.50-476,677.08

Finding the Fourth Proportional to 762,990.68, 1,052,931.50 and 476,677.08

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Solution

The fourth proportional to 762,990.68, 1,052,931.50 and 476,677.08 is: 657,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,990.68 : 1,052,931.50 = 476,677.08 : x
  2. Step 2: Convert to fraction form
    762,990.68/1,052,931.50 = 476,677.08/x
  3. Step 3: Cross multiply
    762,990.68x = 1,052,931.50 × 476,677.08
  4. Step 4: Simplify right side
    762,990.68x = 501,908,312,860.02
  5. Step 5: Solve for x
    x = 501,908,312,860.02/762,990.68
  6. Step 6: Final answer
    x = 657,817.10

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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.