Home / 705,326.20-1,057,989.30-670,334.20

Finding the Fourth Proportional to 705,326.20, 1,057,989.30 and 670,334.20

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Solution

The fourth proportional to 705,326.20, 1,057,989.30 and 670,334.20 is: 1,005,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,326.20 : 1,057,989.30 = 670,334.20 : x
  2. Step 2: Convert to fraction form
    705,326.20/1,057,989.30 = 670,334.20/x
  3. Step 3: Cross multiply
    705,326.20x = 1,057,989.30 × 670,334.20
  4. Step 4: Simplify right side
    705,326.20x = 709,206,411,024.06
  5. Step 5: Solve for x
    x = 709,206,411,024.06/705,326.20
  6. Step 6: Final answer
    x = 1,005,501.30

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Double scale
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Similar ratio
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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.