Home / 841,215.85-1,160,871.95-459,242.63

Finding the Fourth Proportional to 841,215.85, 1,160,871.95 and 459,242.63

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Solution

The fourth proportional to 841,215.85, 1,160,871.95 and 459,242.63 is: 633,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,215.85 : 1,160,871.95 = 459,242.63 : x
  2. Step 2: Convert to fraction form
    841,215.85/1,160,871.95 = 459,242.63/x
  3. Step 3: Cross multiply
    841,215.85x = 1,160,871.95 × 459,242.63
  4. Step 4: Simplify right side
    841,215.85x = 533,121,887,108.25
  5. Step 5: Solve for x
    x = 533,121,887,108.25/841,215.85
  6. Step 6: Final answer
    x = 633,751.60

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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.