Home / 738,428.02-1,107,838.93-265,117.48

Finding the Fourth Proportional to 738,428.02, 1,107,838.93 and 265,117.48

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Solution

The fourth proportional to 738,428.02, 1,107,838.93 and 265,117.48 is: 397,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,428.02 : 1,107,838.93 = 265,117.48 : x
  2. Step 2: Convert to fraction form
    738,428.02/1,107,838.93 = 265,117.48/x
  3. Step 3: Cross multiply
    738,428.02x = 1,107,838.93 × 265,117.48
  4. Step 4: Simplify right side
    738,428.02x = 293,707,465,367.50
  5. Step 5: Solve for x
    x = 293,707,465,367.50/738,428.02
  6. Step 6: Final answer
    x = 397,746.91

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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.