Home / 750,053.91-1,035,077.13-405,889.80

Finding the Fourth Proportional to 750,053.91, 1,035,077.13 and 405,889.80

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Solution

The fourth proportional to 750,053.91, 1,035,077.13 and 405,889.80 is: 560,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,053.91 : 1,035,077.13 = 405,889.80 : x
  2. Step 2: Convert to fraction form
    750,053.91/1,035,077.13 = 405,889.80/x
  3. Step 3: Cross multiply
    750,053.91x = 1,035,077.13 × 405,889.80
  4. Step 4: Simplify right side
    750,053.91x = 420,127,249,280.27
  5. Step 5: Solve for x
    x = 420,127,249,280.27/750,053.91
  6. Step 6: Final answer
    x = 560,129.40

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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.