Home / 676,988.20-1,015,482.30-477,533.80

Finding the Fourth Proportional to 676,988.20, 1,015,482.30 and 477,533.80

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Solution

The fourth proportional to 676,988.20, 1,015,482.30 and 477,533.80 is: 716,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,988.20 : 1,015,482.30 = 477,533.80 : x
  2. Step 2: Convert to fraction form
    676,988.20/1,015,482.30 = 477,533.80/x
  3. Step 3: Cross multiply
    676,988.20x = 1,015,482.30 × 477,533.80
  4. Step 4: Simplify right side
    676,988.20x = 484,927,121,551.74
  5. Step 5: Solve for x
    x = 484,927,121,551.74/676,988.20
  6. Step 6: Final answer
    x = 716,300.70

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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.