Home / 761,487.06-1,050,852.15-421,955.31

Finding the Fourth Proportional to 761,487.06, 1,050,852.15 and 421,955.31

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Solution

The fourth proportional to 761,487.06, 1,050,852.15 and 421,955.31 is: 582,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,487.06 : 1,050,852.15 = 421,955.31 : x
  2. Step 2: Convert to fraction form
    761,487.06/1,050,852.15 = 421,955.31/x
  3. Step 3: Cross multiply
    761,487.06x = 1,050,852.15 × 421,955.31
  4. Step 4: Simplify right side
    761,487.06x = 443,412,644,717.42
  5. Step 5: Solve for x
    x = 443,412,644,717.42/761,487.06
  6. Step 6: Final answer
    x = 582,298.33

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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.