Home / 750,116.16-1,035,166.75-427,842.57

Finding the Fourth Proportional to 750,116.16, 1,035,166.75 and 427,842.57

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Solution

The fourth proportional to 750,116.16, 1,035,166.75 and 427,842.57 is: 590,426.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,116.16 : 1,035,166.75 = 427,842.57 : x
  2. Step 2: Convert to fraction form
    750,116.16/1,035,166.75 = 427,842.57/x
  3. Step 3: Cross multiply
    750,116.16x = 1,035,166.75 × 427,842.57
  4. Step 4: Simplify right side
    750,116.16x = 442,888,405,510.82
  5. Step 5: Solve for x
    x = 442,888,405,510.82/750,116.16
  6. Step 6: Final answer
    x = 590,426.43

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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.