Home / 723,781.15-998,937.59-401,595.04

Finding the Fourth Proportional to 723,781.15, 998,937.59 and 401,595.04

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Solution

The fourth proportional to 723,781.15, 998,937.59 and 401,595.04 is: 554,267.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,781.15 : 998,937.59 = 401,595.04 : x
  2. Step 2: Convert to fraction form
    723,781.15/998,937.59 = 401,595.04/x
  3. Step 3: Cross multiply
    723,781.15x = 998,937.59 × 401,595.04
  4. Step 4: Simplify right side
    723,781.15x = 401,168,381,413.55
  5. Step 5: Solve for x
    x = 401,168,381,413.55/723,781.15
  6. Step 6: Final answer
    x = 554,267.52

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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.