Home / 355,605.32-532,846.19-288,718.66

Finding the Fourth Proportional to 355,605.32, 532,846.19 and 288,718.66

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Solution

The fourth proportional to 355,605.32, 532,846.19 and 288,718.66 is: 432,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,605.32 : 532,846.19 = 288,718.66 : x
  2. Step 2: Convert to fraction form
    355,605.32/532,846.19 = 288,718.66/x
  3. Step 3: Cross multiply
    355,605.32x = 532,846.19 × 288,718.66
  4. Step 4: Simplify right side
    355,605.32x = 153,842,637,962.91
  5. Step 5: Solve for x
    x = 153,842,637,962.91/355,605.32
  6. Step 6: Final answer
    x = 432,621.87

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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.