Home / 723,442.53-998,302.02-401,140.69

Finding the Fourth Proportional to 723,442.53, 998,302.02 and 401,140.69

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Solution

The fourth proportional to 723,442.53, 998,302.02 and 401,140.69 is: 553,547.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,442.53 : 998,302.02 = 401,140.69 : x
  2. Step 2: Convert to fraction form
    723,442.53/998,302.02 = 401,140.69/x
  3. Step 3: Cross multiply
    723,442.53x = 998,302.02 × 401,140.69
  4. Step 4: Simplify right side
    723,442.53x = 400,459,561,131.19
  5. Step 5: Solve for x
    x = 400,459,561,131.19/723,442.53
  6. Step 6: Final answer
    x = 553,547.16

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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.