Home / 634,445.28-875,541.23-344,057.42

Finding the Fourth Proportional to 634,445.28, 875,541.23 and 344,057.42

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Solution

The fourth proportional to 634,445.28, 875,541.23 and 344,057.42 is: 474,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,445.28 : 875,541.23 = 344,057.42 : x
  2. Step 2: Convert to fraction form
    634,445.28/875,541.23 = 344,057.42/x
  3. Step 3: Cross multiply
    634,445.28x = 875,541.23 × 344,057.42
  4. Step 4: Simplify right side
    634,445.28x = 301,236,453,179.86
  5. Step 5: Solve for x
    x = 301,236,453,179.86/634,445.28
  6. Step 6: Final answer
    x = 474,802.89

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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.