Home / 707,985.60-1,062,583.20-287,563.20

Finding the Fourth Proportional to 707,985.60, 1,062,583.20 and 287,563.20

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Solution

The fourth proportional to 707,985.60, 1,062,583.20 and 287,563.20 is: 431,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,985.60 : 1,062,583.20 = 287,563.20 : x
  2. Step 2: Convert to fraction form
    707,985.60/1,062,583.20 = 287,563.20/x
  3. Step 3: Cross multiply
    707,985.60x = 1,062,583.20 × 287,563.20
  4. Step 4: Simplify right side
    707,985.60x = 305,559,825,258.24
  5. Step 5: Solve for x
    x = 305,559,825,258.24/707,985.60
  6. Step 6: Final answer
    x = 431,590.45

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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.