Home / 771,417.68-1,156,417.59-265,858.58

Finding the Fourth Proportional to 771,417.68, 1,156,417.59 and 265,858.58

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Solution

The fourth proportional to 771,417.68, 1,156,417.59 and 265,858.58 is: 398,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,417.68 : 1,156,417.59 = 265,858.58 : x
  2. Step 2: Convert to fraction form
    771,417.68/1,156,417.59 = 265,858.58/x
  3. Step 3: Cross multiply
    771,417.68x = 1,156,417.59 × 265,858.58
  4. Step 4: Simplify right side
    771,417.68x = 307,443,538,364.42
  5. Step 5: Solve for x
    x = 307,443,538,364.42/771,417.68
  6. Step 6: Final answer
    x = 398,543.55

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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.