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Finding the Fourth Proportional to 615,897.80, 924,256.30 and 349,657.80

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Solution

The fourth proportional to 615,897.80, 924,256.30 and 349,657.80 is: 524,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,897.80 : 924,256.30 = 349,657.80 : x
  2. Step 2: Convert to fraction form
    615,897.80/924,256.30 = 349,657.80/x
  3. Step 3: Cross multiply
    615,897.80x = 924,256.30 × 349,657.80
  4. Step 4: Simplify right side
    615,897.80x = 323,173,424,494.14
  5. Step 5: Solve for x
    x = 323,173,424,494.14/615,897.80
  6. Step 6: Final answer
    x = 524,719.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.