Home / 554,539.20-831,808.80-484,555.20

Finding the Fourth Proportional to 554,539.20, 831,808.80 and 484,555.20

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Solution

The fourth proportional to 554,539.20, 831,808.80 and 484,555.20 is: 726,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,539.20 : 831,808.80 = 484,555.20 : x
  2. Step 2: Convert to fraction form
    554,539.20/831,808.80 = 484,555.20/x
  3. Step 3: Cross multiply
    554,539.20x = 831,808.80 × 484,555.20
  4. Step 4: Simplify right side
    554,539.20x = 403,057,279,445.76
  5. Step 5: Solve for x
    x = 403,057,279,445.76/554,539.20
  6. Step 6: Final answer
    x = 726,832.80

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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.