Home / 723,443.04-998,302.70-401,141.20

Finding the Fourth Proportional to 723,443.04, 998,302.70 and 401,141.20

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Solution

The fourth proportional to 723,443.04, 998,302.70 and 401,141.20 is: 553,547.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,443.04 : 998,302.70 = 401,141.20 : x
  2. Step 2: Convert to fraction form
    723,443.04/998,302.70 = 401,141.20/x
  3. Step 3: Cross multiply
    723,443.04x = 998,302.70 × 401,141.20
  4. Step 4: Simplify right side
    723,443.04x = 400,460,343,041.24
  5. Step 5: Solve for x
    x = 400,460,343,041.24/723,443.04
  6. Step 6: Final answer
    x = 553,547.86

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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.