Home / 989,407.26-1,365,379.56-536,698.26

Finding the Fourth Proportional to 989,407.26, 1,365,379.56 and 536,698.26

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Solution

The fourth proportional to 989,407.26, 1,365,379.56 and 536,698.26 is: 740,642.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,407.26 : 1,365,379.56 = 536,698.26 : x
  2. Step 2: Convert to fraction form
    989,407.26/1,365,379.56 = 536,698.26/x
  3. Step 3: Cross multiply
    989,407.26x = 1,365,379.56 × 536,698.26
  4. Step 4: Simplify right side
    989,407.26x = 732,796,834,091.57
  5. Step 5: Solve for x
    x = 732,796,834,091.57/989,407.26
  6. Step 6: Final answer
    x = 740,642.27

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Double scale
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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.