Home / 761,045.20-1,050,184.56-421,506.16

Finding the Fourth Proportional to 761,045.20, 1,050,184.56 and 421,506.16

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Solution

The fourth proportional to 761,045.20, 1,050,184.56 and 421,506.16 is: 581,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,045.20 : 1,050,184.56 = 421,506.16 : x
  2. Step 2: Convert to fraction form
    761,045.20/1,050,184.56 = 421,506.16/x
  3. Step 3: Cross multiply
    761,045.20x = 1,050,184.56 × 421,506.16
  4. Step 4: Simplify right side
    761,045.20x = 442,659,261,176.89
  5. Step 5: Solve for x
    x = 442,659,261,176.89/761,045.20
  6. Step 6: Final answer
    x = 581,646.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.