Home / 752,323.08-1,128,671.28-373,421.64

Finding the Fourth Proportional to 752,323.08, 1,128,671.28 and 373,421.64

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Solution

The fourth proportional to 752,323.08, 1,128,671.28 and 373,421.64 is: 560,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,323.08 : 1,128,671.28 = 373,421.64 : x
  2. Step 2: Convert to fraction form
    752,323.08/1,128,671.28 = 373,421.64/x
  3. Step 3: Cross multiply
    752,323.08x = 1,128,671.28 × 373,421.64
  4. Step 4: Simplify right side
    752,323.08x = 421,470,280,398.50
  5. Step 5: Solve for x
    x = 421,470,280,398.50/752,323.08
  6. Step 6: Final answer
    x = 560,225.11

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Double scale
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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.