Home / 696,032.80-1,044,049.20-660,090.40

Finding the Fourth Proportional to 696,032.80, 1,044,049.20 and 660,090.40

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Solution

The fourth proportional to 696,032.80, 1,044,049.20 and 660,090.40 is: 990,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,032.80 : 1,044,049.20 = 660,090.40 : x
  2. Step 2: Convert to fraction form
    696,032.80/1,044,049.20 = 660,090.40/x
  3. Step 3: Cross multiply
    696,032.80x = 1,044,049.20 × 660,090.40
  4. Step 4: Simplify right side
    696,032.80x = 689,166,854,047.68
  5. Step 5: Solve for x
    x = 689,166,854,047.68/696,032.80
  6. Step 6: Final answer
    x = 990,135.60

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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.