Home / 684,307.41-1,026,395.15-210,865.65

Finding the Fourth Proportional to 684,307.41, 1,026,395.15 and 210,865.65

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Solution

The fourth proportional to 684,307.41, 1,026,395.15 and 210,865.65 is: 316,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,307.41 : 1,026,395.15 = 210,865.65 : x
  2. Step 2: Convert to fraction form
    684,307.41/1,026,395.15 = 210,865.65/x
  3. Step 3: Cross multiply
    684,307.41x = 1,026,395.15 × 210,865.65
  4. Step 4: Simplify right side
    684,307.41x = 216,431,479,407.27
  5. Step 5: Solve for x
    x = 216,431,479,407.27/684,307.41
  6. Step 6: Final answer
    x = 316,278.15

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Double scale
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1.5x scale

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.