Home / 836,639.86-1,154,442.80-492,271.06

Finding the Fourth Proportional to 836,639.86, 1,154,442.80 and 492,271.06

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Solution

The fourth proportional to 836,639.86, 1,154,442.80 and 492,271.06 is: 679,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,639.86 : 1,154,442.80 = 492,271.06 : x
  2. Step 2: Convert to fraction form
    836,639.86/1,154,442.80 = 492,271.06/x
  3. Step 3: Cross multiply
    836,639.86x = 1,154,442.80 × 492,271.06
  4. Step 4: Simplify right side
    836,639.86x = 568,298,772,631.80
  5. Step 5: Solve for x
    x = 568,298,772,631.80/836,639.86
  6. Step 6: Final answer
    x = 679,263.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.