Home / 761,061.72-1,141,967.72-356,281.37

Finding the Fourth Proportional to 761,061.72, 1,141,967.72 and 356,281.37

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Solution

The fourth proportional to 761,061.72, 1,141,967.72 and 356,281.37 is: 534,597.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,061.72 : 1,141,967.72 = 356,281.37 : x
  2. Step 2: Convert to fraction form
    761,061.72/1,141,967.72 = 356,281.37/x
  3. Step 3: Cross multiply
    761,061.72x = 1,141,967.72 × 356,281.37
  4. Step 4: Simplify right side
    761,061.72x = 406,861,818,827.69
  5. Step 5: Solve for x
    x = 406,861,818,827.69/761,061.72
  6. Step 6: Final answer
    x = 534,597.66

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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.