Home / 832,069.95-1,147,891.80-487,731.30

Finding the Fourth Proportional to 832,069.95, 1,147,891.80 and 487,731.30

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Solution

The fourth proportional to 832,069.95, 1,147,891.80 and 487,731.30 is: 672,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,069.95 : 1,147,891.80 = 487,731.30 : x
  2. Step 2: Convert to fraction form
    832,069.95/1,147,891.80 = 487,731.30/x
  3. Step 3: Cross multiply
    832,069.95x = 1,147,891.80 × 487,731.30
  4. Step 4: Simplify right side
    832,069.95x = 559,862,759,873.34
  5. Step 5: Solve for x
    x = 559,862,759,873.34/832,069.95
  6. Step 6: Final answer
    x = 672,855.40

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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.