Home / 788,105.92-1,087,628.16-448,683.52

Finding the Fourth Proportional to 788,105.92, 1,087,628.16 and 448,683.52

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Solution

The fourth proportional to 788,105.92, 1,087,628.16 and 448,683.52 is: 619,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,105.92 : 1,087,628.16 = 448,683.52 : x
  2. Step 2: Convert to fraction form
    788,105.92/1,087,628.16 = 448,683.52/x
  3. Step 3: Cross multiply
    788,105.92x = 1,087,628.16 × 448,683.52
  4. Step 4: Simplify right side
    788,105.92x = 488,000,831,279.92
  5. Step 5: Solve for x
    x = 488,000,831,279.92/788,105.92
  6. Step 6: Final answer
    x = 619,207.16

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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.