Home / 761,527.34-1,142,282.80-312,148.04

Finding the Fourth Proportional to 761,527.34, 1,142,282.80 and 312,148.04

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Solution

The fourth proportional to 761,527.34, 1,142,282.80 and 312,148.04 is: 468,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,527.34 : 1,142,282.80 = 312,148.04 : x
  2. Step 2: Convert to fraction form
    761,527.34/1,142,282.80 = 312,148.04/x
  3. Step 3: Cross multiply
    761,527.34x = 1,142,282.80 × 312,148.04
  4. Step 4: Simplify right side
    761,527.34x = 356,561,337,145.71
  5. Step 5: Solve for x
    x = 356,561,337,145.71/761,527.34
  6. Step 6: Final answer
    x = 468,218.69

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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.