Home / 790,352.40-1,182,029.40-664,381.20

Finding the Fourth Proportional to 790,352.40, 1,182,029.40 and 664,381.20

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Solution

The fourth proportional to 790,352.40, 1,182,029.40 and 664,381.20 is: 993,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,352.40 : 1,182,029.40 = 664,381.20 : x
  2. Step 2: Convert to fraction form
    790,352.40/1,182,029.40 = 664,381.20/x
  3. Step 3: Cross multiply
    790,352.40x = 1,182,029.40 × 664,381.20
  4. Step 4: Simplify right side
    790,352.40x = 785,318,111,207.28
  5. Step 5: Solve for x
    x = 785,318,111,207.28/790,352.40
  6. Step 6: Final answer
    x = 993,630.32

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1.5x scale

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.