Home / 970,870.20-1,456,953.12-339,784.08

Finding the Fourth Proportional to 970,870.20, 1,456,953.12 and 339,784.08

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Solution

The fourth proportional to 970,870.20, 1,456,953.12 and 339,784.08 is: 509,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,870.20 : 1,456,953.12 = 339,784.08 : x
  2. Step 2: Convert to fraction form
    970,870.20/1,456,953.12 = 339,784.08/x
  3. Step 3: Cross multiply
    970,870.20x = 1,456,953.12 × 339,784.08
  4. Step 4: Simplify right side
    970,870.20x = 495,049,475,482.33
  5. Step 5: Solve for x
    x = 495,049,475,482.33/970,870.20
  6. Step 6: Final answer
    x = 509,902.84

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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.