Home / 738,854.31-1,108,478.84-265,543.77

Finding the Fourth Proportional to 738,854.31, 1,108,478.84 and 265,543.77

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Solution

The fourth proportional to 738,854.31, 1,108,478.84 and 265,543.77 is: 398,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,854.31 : 1,108,478.84 = 265,543.77 : x
  2. Step 2: Convert to fraction form
    738,854.31/1,108,478.84 = 265,543.77/x
  3. Step 3: Cross multiply
    738,854.31x = 1,108,478.84 × 265,543.77
  4. Step 4: Simplify right side
    738,854.31x = 294,349,648,811.11
  5. Step 5: Solve for x
    x = 294,349,648,811.11/738,854.31
  6. Step 6: Final answer
    x = 398,386.59

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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.