Home / 913,150.80-1,371,281.40-648,766.80

Finding the Fourth Proportional to 913,150.80, 1,371,281.40 and 648,766.80

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Solution

The fourth proportional to 913,150.80, 1,371,281.40 and 648,766.80 is: 974,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,150.80 : 1,371,281.40 = 648,766.80 : x
  2. Step 2: Convert to fraction form
    913,150.80/1,371,281.40 = 648,766.80/x
  3. Step 3: Cross multiply
    913,150.80x = 1,371,281.40 × 648,766.80
  4. Step 4: Simplify right side
    913,150.80x = 889,641,845,777.52
  5. Step 5: Solve for x
    x = 889,641,845,777.52/913,150.80
  6. Step 6: Final answer
    x = 974,255.12

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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.