Home / 723,443.03-998,302.71-401,141.19

Finding the Fourth Proportional to 723,443.03, 998,302.71 and 401,141.19

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Solution

The fourth proportional to 723,443.03, 998,302.71 and 401,141.19 is: 553,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,443.03 : 998,302.71 = 401,141.19 : x
  2. Step 2: Convert to fraction form
    723,443.03/998,302.71 = 401,141.19/x
  3. Step 3: Cross multiply
    723,443.03x = 998,302.71 × 401,141.19
  4. Step 4: Simplify right side
    723,443.03x = 400,460,337,069.63
  5. Step 5: Solve for x
    x = 400,460,337,069.63/723,443.03
  6. Step 6: Final answer
    x = 553,547.85

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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.