Home / 761,505.28-1,050,875.10-421,973.52

Finding the Fourth Proportional to 761,505.28, 1,050,875.10 and 421,973.52

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Solution

The fourth proportional to 761,505.28, 1,050,875.10 and 421,973.52 is: 582,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,505.28 : 1,050,875.10 = 421,973.52 : x
  2. Step 2: Convert to fraction form
    761,505.28/1,050,875.10 = 421,973.52/x
  3. Step 3: Cross multiply
    761,505.28x = 1,050,875.10 × 421,973.52
  4. Step 4: Simplify right side
    761,505.28x = 443,441,465,027.35
  5. Step 5: Solve for x
    x = 443,441,465,027.35/761,505.28
  6. Step 6: Final answer
    x = 582,322.25

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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.