Home / 743,259.89-1,115,055.95-237,851.22

Finding the Fourth Proportional to 743,259.89, 1,115,055.95 and 237,851.22

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Solution

The fourth proportional to 743,259.89, 1,115,055.95 and 237,851.22 is: 356,829.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,259.89 : 1,115,055.95 = 237,851.22 : x
  2. Step 2: Convert to fraction form
    743,259.89/1,115,055.95 = 237,851.22/x
  3. Step 3: Cross multiply
    743,259.89x = 1,115,055.95 × 237,851.22
  4. Step 4: Simplify right side
    743,259.89x = 265,217,416,886.50
  5. Step 5: Solve for x
    x = 265,217,416,886.50/743,259.89
  6. Step 6: Final answer
    x = 356,829.99

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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.