Home / 384,726.08-579,715.16-316,141.76

Finding the Fourth Proportional to 384,726.08, 579,715.16 and 316,141.76

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Solution

The fourth proportional to 384,726.08, 579,715.16 and 316,141.76 is: 476,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,726.08 : 579,715.16 = 316,141.76 : x
  2. Step 2: Convert to fraction form
    384,726.08/579,715.16 = 316,141.76/x
  3. Step 3: Cross multiply
    384,726.08x = 579,715.16 × 316,141.76
  4. Step 4: Simplify right side
    384,726.08x = 183,272,170,981.08
  5. Step 5: Solve for x
    x = 183,272,170,981.08/384,726.08
  6. Step 6: Final answer
    x = 476,370.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.