Home / 867,830.76-1,302,088.77-268,838.65

Finding the Fourth Proportional to 867,830.76, 1,302,088.77 and 268,838.65

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Solution

The fourth proportional to 867,830.76, 1,302,088.77 and 268,838.65 is: 403,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,830.76 : 1,302,088.77 = 268,838.65 : x
  2. Step 2: Convert to fraction form
    867,830.76/1,302,088.77 = 268,838.65/x
  3. Step 3: Cross multiply
    867,830.76x = 1,302,088.77 × 268,838.65
  4. Step 4: Simplify right side
    867,830.76x = 350,051,781,410.32
  5. Step 5: Solve for x
    x = 350,051,781,410.32/867,830.76
  6. Step 6: Final answer
    x = 403,364.11

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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.