Home / 989,217.72-1,365,126.48-607,105.08

Finding the Fourth Proportional to 989,217.72, 1,365,126.48 and 607,105.08

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Solution

The fourth proportional to 989,217.72, 1,365,126.48 and 607,105.08 is: 837,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,217.72 : 1,365,126.48 = 607,105.08 : x
  2. Step 2: Convert to fraction form
    989,217.72/1,365,126.48 = 607,105.08/x
  3. Step 3: Cross multiply
    989,217.72x = 1,365,126.48 × 607,105.08
  4. Step 4: Simplify right side
    989,217.72x = 828,775,220,850.52
  5. Step 5: Solve for x
    x = 828,775,220,850.52/989,217.72
  6. Step 6: Final answer
    x = 837,808.71

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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.