Home / 750,869.58-1,035,946.47-428,352.66

Finding the Fourth Proportional to 750,869.58, 1,035,946.47 and 428,352.66

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Solution

The fourth proportional to 750,869.58, 1,035,946.47 and 428,352.66 is: 590,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,869.58 : 1,035,946.47 = 428,352.66 : x
  2. Step 2: Convert to fraction form
    750,869.58/1,035,946.47 = 428,352.66/x
  3. Step 3: Cross multiply
    750,869.58x = 1,035,946.47 × 428,352.66
  4. Step 4: Simplify right side
    750,869.58x = 443,750,426,042.11
  5. Step 5: Solve for x
    x = 443,750,426,042.11/750,869.58
  6. Step 6: Final answer
    x = 590,982.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.