Home / 904,707.60-1,354,994.52-431,725.20

Finding the Fourth Proportional to 904,707.60, 1,354,994.52 and 431,725.20

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Solution

The fourth proportional to 904,707.60, 1,354,994.52 and 431,725.20 is: 646,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,707.60 : 1,354,994.52 = 431,725.20 : x
  2. Step 2: Convert to fraction form
    904,707.60/1,354,994.52 = 431,725.20/x
  3. Step 3: Cross multiply
    904,707.60x = 1,354,994.52 × 431,725.20
  4. Step 4: Simplify right side
    904,707.60x = 584,985,280,145.90
  5. Step 5: Solve for x
    x = 584,985,280,145.90/904,707.60
  6. Step 6: Final answer
    x = 646,601.49

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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.