Home / 535,172.72-738,529.80-293,457.38

Finding the Fourth Proportional to 535,172.72, 738,529.80 and 293,457.38

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Solution

The fourth proportional to 535,172.72, 738,529.80 and 293,457.38 is: 404,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,172.72 : 738,529.80 = 293,457.38 : x
  2. Step 2: Convert to fraction form
    535,172.72/738,529.80 = 293,457.38/x
  3. Step 3: Cross multiply
    535,172.72x = 738,529.80 × 293,457.38
  4. Step 4: Simplify right side
    535,172.72x = 216,727,020,159.92
  5. Step 5: Solve for x
    x = 216,727,020,159.92/535,172.72
  6. Step 6: Final answer
    x = 404,966.49

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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.