Home / 786,110.79-1,084,871.37-442,055.03

Finding the Fourth Proportional to 786,110.79, 1,084,871.37 and 442,055.03

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Solution

The fourth proportional to 786,110.79, 1,084,871.37 and 442,055.03 is: 610,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,110.79 : 1,084,871.37 = 442,055.03 : x
  2. Step 2: Convert to fraction form
    786,110.79/1,084,871.37 = 442,055.03/x
  3. Step 3: Cross multiply
    786,110.79x = 1,084,871.37 × 442,055.03
  4. Step 4: Simplify right side
    786,110.79x = 479,572,840,587.13
  5. Step 5: Solve for x
    x = 479,572,840,587.13/786,110.79
  6. Step 6: Final answer
    x = 610,057.57

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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.