Home / 852,918.60-1,279,377.90-433,014.60

Finding the Fourth Proportional to 852,918.60, 1,279,377.90 and 433,014.60

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Solution

The fourth proportional to 852,918.60, 1,279,377.90 and 433,014.60 is: 649,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,918.60 : 1,279,377.90 = 433,014.60 : x
  2. Step 2: Convert to fraction form
    852,918.60/1,279,377.90 = 433,014.60/x
  3. Step 3: Cross multiply
    852,918.60x = 1,279,377.90 × 433,014.60
  4. Step 4: Simplify right side
    852,918.60x = 553,989,309,617.34
  5. Step 5: Solve for x
    x = 553,989,309,617.34/852,918.60
  6. Step 6: Final answer
    x = 649,521.90

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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.