Home / 830,015.80-1,245,023.70-732,038.20

Finding the Fourth Proportional to 830,015.80, 1,245,023.70 and 732,038.20

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Solution

The fourth proportional to 830,015.80, 1,245,023.70 and 732,038.20 is: 1,098,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,015.80 : 1,245,023.70 = 732,038.20 : x
  2. Step 2: Convert to fraction form
    830,015.80/1,245,023.70 = 732,038.20/x
  3. Step 3: Cross multiply
    830,015.80x = 1,245,023.70 × 732,038.20
  4. Step 4: Simplify right side
    830,015.80x = 911,404,908,305.34
  5. Step 5: Solve for x
    x = 911,404,908,305.34/830,015.80
  6. Step 6: Final answer
    x = 1,098,057.30

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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.