Home / 710,147.60-1,064,314.20-288,947.60

Finding the Fourth Proportional to 710,147.60, 1,064,314.20 and 288,947.60

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Solution

The fourth proportional to 710,147.60, 1,064,314.20 and 288,947.60 is: 433,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,147.60 : 1,064,314.20 = 288,947.60 : x
  2. Step 2: Convert to fraction form
    710,147.60/1,064,314.20 = 288,947.60/x
  3. Step 3: Cross multiply
    710,147.60x = 1,064,314.20 × 288,947.60
  4. Step 4: Simplify right side
    710,147.60x = 307,531,033,735.92
  5. Step 5: Solve for x
    x = 307,531,033,735.92/710,147.60
  6. Step 6: Final answer
    x = 433,052.27

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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.