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Finding the Fourth Proportional to 578,973.60, 868,460.40 and 548,560.80

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Solution

The fourth proportional to 578,973.60, 868,460.40 and 548,560.80 is: 822,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,973.60 : 868,460.40 = 548,560.80 : x
  2. Step 2: Convert to fraction form
    578,973.60/868,460.40 = 548,560.80/x
  3. Step 3: Cross multiply
    578,973.60x = 868,460.40 × 548,560.80
  4. Step 4: Simplify right side
    578,973.60x = 476,403,331,792.32
  5. Step 5: Solve for x
    x = 476,403,331,792.32/578,973.60
  6. Step 6: Final answer
    x = 822,841.20

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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.