Home / 970,557.12-1,456,032.51-339,913.80

Finding the Fourth Proportional to 970,557.12, 1,456,032.51 and 339,913.80

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Solution

The fourth proportional to 970,557.12, 1,456,032.51 and 339,913.80 is: 509,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,557.12 : 1,456,032.51 = 339,913.80 : x
  2. Step 2: Convert to fraction form
    970,557.12/1,456,032.51 = 339,913.80/x
  3. Step 3: Cross multiply
    970,557.12x = 1,456,032.51 × 339,913.80
  4. Step 4: Simplify right side
    970,557.12x = 494,925,543,397.64
  5. Step 5: Solve for x
    x = 494,925,543,397.64/970,557.12
  6. Step 6: Final answer
    x = 509,939.63

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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.