Home / 723,331.02-998,192.04-401,041.20

Finding the Fourth Proportional to 723,331.02, 998,192.04 and 401,041.20

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Solution

The fourth proportional to 723,331.02, 998,192.04 and 401,041.20 is: 553,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,331.02 : 998,192.04 = 401,041.20 : x
  2. Step 2: Convert to fraction form
    723,331.02/998,192.04 = 401,041.20/x
  3. Step 3: Cross multiply
    723,331.02x = 998,192.04 × 401,041.20
  4. Step 4: Simplify right side
    723,331.02x = 400,316,133,552.05
  5. Step 5: Solve for x
    x = 400,316,133,552.05/723,331.02
  6. Step 6: Final answer
    x = 553,434.21

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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.