Home / 736,718.06-1,105,500.72-310,220.26

Finding the Fourth Proportional to 736,718.06, 1,105,500.72 and 310,220.26

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Solution

The fourth proportional to 736,718.06, 1,105,500.72 and 310,220.26 is: 465,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,718.06 : 1,105,500.72 = 310,220.26 : x
  2. Step 2: Convert to fraction form
    736,718.06/1,105,500.72 = 310,220.26/x
  3. Step 3: Cross multiply
    736,718.06x = 1,105,500.72 × 310,220.26
  4. Step 4: Simplify right side
    736,718.06x = 342,948,720,788.59
  5. Step 5: Solve for x
    x = 342,948,720,788.59/736,718.06
  6. Step 6: Final answer
    x = 465,508.77

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.