Home / 750,077.18-1,035,124.73-427,817.26

Finding the Fourth Proportional to 750,077.18, 1,035,124.73 and 427,817.26

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Solution

The fourth proportional to 750,077.18, 1,035,124.73 and 427,817.26 is: 590,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,077.18 : 1,035,124.73 = 427,817.26 : x
  2. Step 2: Convert to fraction form
    750,077.18/1,035,124.73 = 427,817.26/x
  3. Step 3: Cross multiply
    750,077.18x = 1,035,124.73 × 427,817.26
  4. Step 4: Simplify right side
    750,077.18x = 442,844,225,746.84
  5. Step 5: Solve for x
    x = 442,844,225,746.84/750,077.18
  6. Step 6: Final answer
    x = 590,398.21

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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.