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Finding the Fourth Proportional to 501,457.84, 692,007.76 and 272,014.55

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Solution

The fourth proportional to 501,457.84, 692,007.76 and 272,014.55 is: 375,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,457.84 : 692,007.76 = 272,014.55 : x
  2. Step 2: Convert to fraction form
    501,457.84/692,007.76 = 272,014.55/x
  3. Step 3: Cross multiply
    501,457.84x = 692,007.76 × 272,014.55
  4. Step 4: Simplify right side
    501,457.84x = 188,236,181,270.38
  5. Step 5: Solve for x
    x = 188,236,181,270.38/501,457.84
  6. Step 6: Final answer
    x = 375,377.88

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1.5x scale

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.