Home / 971,030.80-1,456,546.20-439,589.80

Finding the Fourth Proportional to 971,030.80, 1,456,546.20 and 439,589.80

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Solution

The fourth proportional to 971,030.80, 1,456,546.20 and 439,589.80 is: 659,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,030.80 : 1,456,546.20 = 439,589.80 : x
  2. Step 2: Convert to fraction form
    971,030.80/1,456,546.20 = 439,589.80/x
  3. Step 3: Cross multiply
    971,030.80x = 1,456,546.20 × 439,589.80
  4. Step 4: Simplify right side
    971,030.80x = 640,282,852,748.76
  5. Step 5: Solve for x
    x = 640,282,852,748.76/971,030.80
  6. Step 6: Final answer
    x = 659,384.70

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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.