Home / 771,432.33-1,157,224.59-265,926.72

Finding the Fourth Proportional to 771,432.33, 1,157,224.59 and 265,926.72

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Solution

The fourth proportional to 771,432.33, 1,157,224.59 and 265,926.72 is: 398,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,432.33 : 1,157,224.59 = 265,926.72 : x
  2. Step 2: Convert to fraction form
    771,432.33/1,157,224.59 = 265,926.72/x
  3. Step 3: Cross multiply
    771,432.33x = 1,157,224.59 × 265,926.72
  4. Step 4: Simplify right side
    771,432.33x = 307,736,939,522.05
  5. Step 5: Solve for x
    x = 307,736,939,522.05/771,432.33
  6. Step 6: Final answer
    x = 398,916.31

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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.