Home / 959,807.80-1,440,003.30-538,802.20

Finding the Fourth Proportional to 959,807.80, 1,440,003.30 and 538,802.20

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Solution

The fourth proportional to 959,807.80, 1,440,003.30 and 538,802.20 is: 808,366.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,807.80 : 1,440,003.30 = 538,802.20 : x
  2. Step 2: Convert to fraction form
    959,807.80/1,440,003.30 = 538,802.20/x
  3. Step 3: Cross multiply
    959,807.80x = 1,440,003.30 × 538,802.20
  4. Step 4: Simplify right side
    959,807.80x = 775,876,946,047.26
  5. Step 5: Solve for x
    x = 775,876,946,047.26/959,807.80
  6. Step 6: Final answer
    x = 808,366.99

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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.