Home / 955,478.70-1,433,218.05-656,880.30

Finding the Fourth Proportional to 955,478.70, 1,433,218.05 and 656,880.30

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Solution

The fourth proportional to 955,478.70, 1,433,218.05 and 656,880.30 is: 985,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,478.70 : 1,433,218.05 = 656,880.30 : x
  2. Step 2: Convert to fraction form
    955,478.70/1,433,218.05 = 656,880.30/x
  3. Step 3: Cross multiply
    955,478.70x = 1,433,218.05 × 656,880.30
  4. Step 4: Simplify right side
    955,478.70x = 941,452,702,649.42
  5. Step 5: Solve for x
    x = 941,452,702,649.42/955,478.70
  6. Step 6: Final answer
    x = 985,320.45

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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.