Home / 970,933.80-1,456,400.70-339,911.40

Finding the Fourth Proportional to 970,933.80, 1,456,400.70 and 339,911.40

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Solution

The fourth proportional to 970,933.80, 1,456,400.70 and 339,911.40 is: 509,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,933.80 : 1,456,400.70 = 339,911.40 : x
  2. Step 2: Convert to fraction form
    970,933.80/1,456,400.70 = 339,911.40/x
  3. Step 3: Cross multiply
    970,933.80x = 1,456,400.70 × 339,911.40
  4. Step 4: Simplify right side
    970,933.80x = 495,047,200,897.98
  5. Step 5: Solve for x
    x = 495,047,200,897.98/970,933.80
  6. Step 6: Final answer
    x = 509,867.10

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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.