Home / 782,000.88-1,172,980.80-249,554.40

Finding the Fourth Proportional to 782,000.88, 1,172,980.80 and 249,554.40

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Solution

The fourth proportional to 782,000.88, 1,172,980.80 and 249,554.40 is: 374,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,000.88 : 1,172,980.80 = 249,554.40 : x
  2. Step 2: Convert to fraction form
    782,000.88/1,172,980.80 = 249,554.40/x
  3. Step 3: Cross multiply
    782,000.88x = 1,172,980.80 × 249,554.40
  4. Step 4: Simplify right side
    782,000.88x = 292,722,519,755.52
  5. Step 5: Solve for x
    x = 292,722,519,755.52/782,000.88
  6. Step 6: Final answer
    x = 374,325.05

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1.5x scale

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.