Home / 879,895.13-1,319,318.52-272,503.51

Finding the Fourth Proportional to 879,895.13, 1,319,318.52 and 272,503.51

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Solution

The fourth proportional to 879,895.13, 1,319,318.52 and 272,503.51 is: 408,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,895.13 : 1,319,318.52 = 272,503.51 : x
  2. Step 2: Convert to fraction form
    879,895.13/1,319,318.52 = 272,503.51/x
  3. Step 3: Cross multiply
    879,895.13x = 1,319,318.52 × 272,503.51
  4. Step 4: Simplify right side
    879,895.13x = 359,518,929,349.52
  5. Step 5: Solve for x
    x = 359,518,929,349.52/879,895.13
  6. Step 6: Final answer
    x = 408,592.93

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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.