Home / 830,681.50-1,246,232.40-231,642.72

Finding the Fourth Proportional to 830,681.50, 1,246,232.40 and 231,642.72

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Solution

The fourth proportional to 830,681.50, 1,246,232.40 and 231,642.72 is: 347,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,681.50 : 1,246,232.40 = 231,642.72 : x
  2. Step 2: Convert to fraction form
    830,681.50/1,246,232.40 = 231,642.72/x
  3. Step 3: Cross multiply
    830,681.50x = 1,246,232.40 × 231,642.72
  4. Step 4: Simplify right side
    830,681.50x = 288,680,662,888.13
  5. Step 5: Solve for x
    x = 288,680,662,888.13/830,681.50
  6. Step 6: Final answer
    x = 347,522.68

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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.