Home / 887,590.80-1,330,511.40-437,943.60

Finding the Fourth Proportional to 887,590.80, 1,330,511.40 and 437,943.60

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Solution

The fourth proportional to 887,590.80, 1,330,511.40 and 437,943.60 is: 656,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,590.80 : 1,330,511.40 = 437,943.60 : x
  2. Step 2: Convert to fraction form
    887,590.80/1,330,511.40 = 437,943.60/x
  3. Step 3: Cross multiply
    887,590.80x = 1,330,511.40 × 437,943.60
  4. Step 4: Simplify right side
    887,590.80x = 582,688,952,357.04
  5. Step 5: Solve for x
    x = 582,688,952,357.04/887,590.80
  6. Step 6: Final answer
    x = 656,483.77

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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.