Home / 790,567.76-1,090,982.16-427,991.48

Finding the Fourth Proportional to 790,567.76, 1,090,982.16 and 427,991.48

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Solution

The fourth proportional to 790,567.76, 1,090,982.16 and 427,991.48 is: 590,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,567.76 : 1,090,982.16 = 427,991.48 : x
  2. Step 2: Convert to fraction form
    790,567.76/1,090,982.16 = 427,991.48/x
  3. Step 3: Cross multiply
    790,567.76x = 1,090,982.16 × 427,991.48
  4. Step 4: Simplify right side
    790,567.76x = 466,931,069,312.00
  5. Step 5: Solve for x
    x = 466,931,069,312.00/790,567.76
  6. Step 6: Final answer
    x = 590,627.51

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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.