Home / 968,838.80-1,452,221.40-436,269.20

Finding the Fourth Proportional to 968,838.80, 1,452,221.40 and 436,269.20

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Solution

The fourth proportional to 968,838.80, 1,452,221.40 and 436,269.20 is: 653,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,838.80 : 1,452,221.40 = 436,269.20 : x
  2. Step 2: Convert to fraction form
    968,838.80/1,452,221.40 = 436,269.20/x
  3. Step 3: Cross multiply
    968,838.80x = 1,452,221.40 × 436,269.20
  4. Step 4: Simplify right side
    968,838.80x = 633,559,468,400.88
  5. Step 5: Solve for x
    x = 633,559,468,400.88/968,838.80
  6. Step 6: Final answer
    x = 653,936.93

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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.