Home / 501,871.55-692,559.11-272,423.66

Finding the Fourth Proportional to 501,871.55, 692,559.11 and 272,423.66

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Solution

The fourth proportional to 501,871.55, 692,559.11 and 272,423.66 is: 375,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,871.55 : 692,559.11 = 272,423.66 : x
  2. Step 2: Convert to fraction form
    501,871.55/692,559.11 = 272,423.66/x
  3. Step 3: Cross multiply
    501,871.55x = 692,559.11 × 272,423.66
  4. Step 4: Simplify right side
    501,871.55x = 188,669,484,730.81
  5. Step 5: Solve for x
    x = 188,669,484,730.81/501,871.55
  6. Step 6: Final answer
    x = 375,931.82

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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.