Home / 720,254.02-993,923.82-397,957.18

Finding the Fourth Proportional to 720,254.02, 993,923.82 and 397,957.18

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Solution

The fourth proportional to 720,254.02, 993,923.82 and 397,957.18 is: 549,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,254.02 : 993,923.82 = 397,957.18 : x
  2. Step 2: Convert to fraction form
    720,254.02/993,923.82 = 397,957.18/x
  3. Step 3: Cross multiply
    720,254.02x = 993,923.82 × 397,957.18
  4. Step 4: Simplify right side
    720,254.02x = 395,539,120,542.03
  5. Step 5: Solve for x
    x = 395,539,120,542.03/720,254.02
  6. Step 6: Final answer
    x = 549,166.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.