Home / 970,615.20-1,455,922.80-498,223.20

Finding the Fourth Proportional to 970,615.20, 1,455,922.80 and 498,223.20

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Solution

The fourth proportional to 970,615.20, 1,455,922.80 and 498,223.20 is: 747,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,615.20 : 1,455,922.80 = 498,223.20 : x
  2. Step 2: Convert to fraction form
    970,615.20/1,455,922.80 = 498,223.20/x
  3. Step 3: Cross multiply
    970,615.20x = 1,455,922.80 × 498,223.20
  4. Step 4: Simplify right side
    970,615.20x = 725,374,516,368.96
  5. Step 5: Solve for x
    x = 725,374,516,368.96/970,615.20
  6. Step 6: Final answer
    x = 747,334.80

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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.