Home / 851,465.60-1,175,030.72-469,505.92

Finding the Fourth Proportional to 851,465.60, 1,175,030.72 and 469,505.92

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Solution

The fourth proportional to 851,465.60, 1,175,030.72 and 469,505.92 is: 647,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,465.60 : 1,175,030.72 = 469,505.92 : x
  2. Step 2: Convert to fraction form
    851,465.60/1,175,030.72 = 469,505.92/x
  3. Step 3: Cross multiply
    851,465.60x = 1,175,030.72 × 469,505.92
  4. Step 4: Simplify right side
    851,465.60x = 551,683,879,221.86
  5. Step 5: Solve for x
    x = 551,683,879,221.86/851,465.60
  6. Step 6: Final answer
    x = 647,922.69

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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.