Home / 723,482.08-998,465.13-401,296.28

Finding the Fourth Proportional to 723,482.08, 998,465.13 and 401,296.28

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Solution

The fourth proportional to 723,482.08, 998,465.13 and 401,296.28 is: 553,822.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,482.08 : 998,465.13 = 401,296.28 : x
  2. Step 2: Convert to fraction form
    723,482.08/998,465.13 = 401,296.28/x
  3. Step 3: Cross multiply
    723,482.08x = 998,465.13 × 401,296.28
  4. Step 4: Simplify right side
    723,482.08x = 400,680,337,386.39
  5. Step 5: Solve for x
    x = 400,680,337,386.39/723,482.08
  6. Step 6: Final answer
    x = 553,822.06

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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.