Home / 723,124.40-1,084,686.60-605,901.20

Finding the Fourth Proportional to 723,124.40, 1,084,686.60 and 605,901.20

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Solution

The fourth proportional to 723,124.40, 1,084,686.60 and 605,901.20 is: 908,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,124.40 : 1,084,686.60 = 605,901.20 : x
  2. Step 2: Convert to fraction form
    723,124.40/1,084,686.60 = 605,901.20/x
  3. Step 3: Cross multiply
    723,124.40x = 1,084,686.60 × 605,901.20
  4. Step 4: Simplify right side
    723,124.40x = 657,212,912,563.92
  5. Step 5: Solve for x
    x = 657,212,912,563.92/723,124.40
  6. Step 6: Final answer
    x = 908,851.80

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Double scale
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Similar ratio
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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.