Home / 904,522.80-1,356,784.20-432,130.80

Finding the Fourth Proportional to 904,522.80, 1,356,784.20 and 432,130.80

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Solution

The fourth proportional to 904,522.80, 1,356,784.20 and 432,130.80 is: 648,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,522.80 : 1,356,784.20 = 432,130.80 : x
  2. Step 2: Convert to fraction form
    904,522.80/1,356,784.20 = 432,130.80/x
  3. Step 3: Cross multiply
    904,522.80x = 1,356,784.20 × 432,130.80
  4. Step 4: Simplify right side
    904,522.80x = 586,308,241,773.36
  5. Step 5: Solve for x
    x = 586,308,241,773.36/904,522.80
  6. Step 6: Final answer
    x = 648,196.20

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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.