Home / 971,407.50-1,340,542.35-568,999.50

Finding the Fourth Proportional to 971,407.50, 1,340,542.35 and 568,999.50

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Solution

The fourth proportional to 971,407.50, 1,340,542.35 and 568,999.50 is: 785,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,407.50 : 1,340,542.35 = 568,999.50 : x
  2. Step 2: Convert to fraction form
    971,407.50/1,340,542.35 = 568,999.50/x
  3. Step 3: Cross multiply
    971,407.50x = 1,340,542.35 × 568,999.50
  4. Step 4: Simplify right side
    971,407.50x = 762,767,926,878.83
  5. Step 5: Solve for x
    x = 762,767,926,878.83/971,407.50
  6. Step 6: Final answer
    x = 785,219.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.