Home / 731,847.61-1,010,055.36-421,690.83

Finding the Fourth Proportional to 731,847.61, 1,010,055.36 and 421,690.83

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Solution

The fourth proportional to 731,847.61, 1,010,055.36 and 421,690.83 is: 581,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,847.61 : 1,010,055.36 = 421,690.83 : x
  2. Step 2: Convert to fraction form
    731,847.61/1,010,055.36 = 421,690.83/x
  3. Step 3: Cross multiply
    731,847.61x = 1,010,055.36 × 421,690.83
  4. Step 4: Simplify right side
    731,847.61x = 425,931,083,104.35
  5. Step 5: Solve for x
    x = 425,931,083,104.35/731,847.61
  6. Step 6: Final answer
    x = 581,994.23

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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.