Home / 771,948.68-1,157,955.50-210,981.64

Finding the Fourth Proportional to 771,948.68, 1,157,955.50 and 210,981.64

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Solution

The fourth proportional to 771,948.68, 1,157,955.50 and 210,981.64 is: 316,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,948.68 : 1,157,955.50 = 210,981.64 : x
  2. Step 2: Convert to fraction form
    771,948.68/1,157,955.50 = 210,981.64/x
  3. Step 3: Cross multiply
    771,948.68x = 1,157,955.50 × 210,981.64
  4. Step 4: Simplify right side
    771,948.68x = 244,307,350,437.02
  5. Step 5: Solve for x
    x = 244,307,350,437.02/771,948.68
  6. Step 6: Final answer
    x = 316,481.34

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Double scale
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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.