Home / 722,958.30-1,084,437.45-457,237.80

Finding the Fourth Proportional to 722,958.30, 1,084,437.45 and 457,237.80

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Solution

The fourth proportional to 722,958.30, 1,084,437.45 and 457,237.80 is: 685,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,958.30 : 1,084,437.45 = 457,237.80 : x
  2. Step 2: Convert to fraction form
    722,958.30/1,084,437.45 = 457,237.80/x
  3. Step 3: Cross multiply
    722,958.30x = 1,084,437.45 × 457,237.80
  4. Step 4: Simplify right side
    722,958.30x = 495,845,793,875.61
  5. Step 5: Solve for x
    x = 495,845,793,875.61/722,958.30
  6. Step 6: Final answer
    x = 685,856.70

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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.