Home / 528,331.23-729,097.10-301,981.59

Finding the Fourth Proportional to 528,331.23, 729,097.10 and 301,981.59

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Solution

The fourth proportional to 528,331.23, 729,097.10 and 301,981.59 is: 416,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,331.23 : 729,097.10 = 301,981.59 : x
  2. Step 2: Convert to fraction form
    528,331.23/729,097.10 = 301,981.59/x
  3. Step 3: Cross multiply
    528,331.23x = 729,097.10 × 301,981.59
  4. Step 4: Simplify right side
    528,331.23x = 220,173,900,012.48
  5. Step 5: Solve for x
    x = 220,173,900,012.48/528,331.23
  6. Step 6: Final answer
    x = 416,734.59

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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.