Home / 355,621.17-532,869.93-288,734.52

Finding the Fourth Proportional to 355,621.17, 532,869.93 and 288,734.52

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Solution

The fourth proportional to 355,621.17, 532,869.93 and 288,734.52 is: 432,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,621.17 : 532,869.93 = 288,734.52 : x
  2. Step 2: Convert to fraction form
    355,621.17/532,869.93 = 288,734.52/x
  3. Step 3: Cross multiply
    355,621.17x = 532,869.93 × 288,734.52
  4. Step 4: Simplify right side
    355,621.17x = 153,857,943,460.98
  5. Step 5: Solve for x
    x = 153,857,943,460.98/355,621.17
  6. Step 6: Final answer
    x = 432,645.63

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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.