Home / 830,462.29-1,245,693.20-475,225.18

Finding the Fourth Proportional to 830,462.29, 1,245,693.20 and 475,225.18

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Solution

The fourth proportional to 830,462.29, 1,245,693.20 and 475,225.18 is: 712,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,462.29 : 1,245,693.20 = 475,225.18 : x
  2. Step 2: Convert to fraction form
    830,462.29/1,245,693.20 = 475,225.18/x
  3. Step 3: Cross multiply
    830,462.29x = 1,245,693.20 × 475,225.18
  4. Step 4: Simplify right side
    830,462.29x = 591,984,769,704.42
  5. Step 5: Solve for x
    x = 591,984,769,704.42/830,462.29
  6. Step 6: Final answer
    x = 712,837.63

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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.