Home / 740,647.20-1,110,970.80-652,000.80

Finding the Fourth Proportional to 740,647.20, 1,110,970.80 and 652,000.80

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Solution

The fourth proportional to 740,647.20, 1,110,970.80 and 652,000.80 is: 978,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,647.20 : 1,110,970.80 = 652,000.80 : x
  2. Step 2: Convert to fraction form
    740,647.20/1,110,970.80 = 652,000.80/x
  3. Step 3: Cross multiply
    740,647.20x = 1,110,970.80 × 652,000.80
  4. Step 4: Simplify right side
    740,647.20x = 724,353,850,376.64
  5. Step 5: Solve for x
    x = 724,353,850,376.64/740,647.20
  6. Step 6: Final answer
    x = 978,001.20

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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.