Home / 830,047.80-1,245,071.70-732,070.20

Finding the Fourth Proportional to 830,047.80, 1,245,071.70 and 732,070.20

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Solution

The fourth proportional to 830,047.80, 1,245,071.70 and 732,070.20 is: 1,098,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,047.80 : 1,245,071.70 = 732,070.20 : x
  2. Step 2: Convert to fraction form
    830,047.80/1,245,071.70 = 732,070.20/x
  3. Step 3: Cross multiply
    830,047.80x = 1,245,071.70 × 732,070.20
  4. Step 4: Simplify right side
    830,047.80x = 911,479,888,433.34
  5. Step 5: Solve for x
    x = 911,479,888,433.34/830,047.80
  6. Step 6: Final answer
    x = 1,098,105.30

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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.