Home / 970,730.30-1,456,095.45-260,830.10

Finding the Fourth Proportional to 970,730.30, 1,456,095.45 and 260,830.10

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Solution

The fourth proportional to 970,730.30, 1,456,095.45 and 260,830.10 is: 391,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,730.30 : 1,456,095.45 = 260,830.10 : x
  2. Step 2: Convert to fraction form
    970,730.30/1,456,095.45 = 260,830.10/x
  3. Step 3: Cross multiply
    970,730.30x = 1,456,095.45 × 260,830.10
  4. Step 4: Simplify right side
    970,730.30x = 379,793,521,833.05
  5. Step 5: Solve for x
    x = 379,793,521,833.05/970,730.30
  6. Step 6: Final answer
    x = 391,245.15

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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.