Home / 830,664.60-1,246,580.10-357,689.40

Finding the Fourth Proportional to 830,664.60, 1,246,580.10 and 357,689.40

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Solution

The fourth proportional to 830,664.60, 1,246,580.10 and 357,689.40 is: 536,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,664.60 : 1,246,580.10 = 357,689.40 : x
  2. Step 2: Convert to fraction form
    830,664.60/1,246,580.10 = 357,689.40/x
  3. Step 3: Cross multiply
    830,664.60x = 1,246,580.10 × 357,689.40
  4. Step 4: Simplify right side
    830,664.60x = 445,888,488,020.94
  5. Step 5: Solve for x
    x = 445,888,488,020.94/830,664.60
  6. Step 6: Final answer
    x = 536,785.23

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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.