Home / 739,139.80-1,108,709.70-486,705.33

Finding the Fourth Proportional to 739,139.80, 1,108,709.70 and 486,705.33

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Solution

The fourth proportional to 739,139.80, 1,108,709.70 and 486,705.33 is: 730,058.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,139.80 : 1,108,709.70 = 486,705.33 : x
  2. Step 2: Convert to fraction form
    739,139.80/1,108,709.70 = 486,705.33/x
  3. Step 3: Cross multiply
    739,139.80x = 1,108,709.70 × 486,705.33
  4. Step 4: Simplify right side
    739,139.80x = 539,614,920,412.70
  5. Step 5: Solve for x
    x = 539,614,920,412.70/739,139.80
  6. Step 6: Final answer
    x = 730,058.00

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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.