Home / 769,152.80-1,152,951.60-348,730.40

Finding the Fourth Proportional to 769,152.80, 1,152,951.60 and 348,730.40

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Solution

The fourth proportional to 769,152.80, 1,152,951.60 and 348,730.40 is: 522,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,152.80 : 1,152,951.60 = 348,730.40 : x
  2. Step 2: Convert to fraction form
    769,152.80/1,152,951.60 = 348,730.40/x
  3. Step 3: Cross multiply
    769,152.80x = 1,152,951.60 × 348,730.40
  4. Step 4: Simplify right side
    769,152.80x = 402,069,272,648.64
  5. Step 5: Solve for x
    x = 402,069,272,648.64/769,152.80
  6. Step 6: Final answer
    x = 522,743.04

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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.