Home / 841,319.28-1,161,046.24-478,795.28

Finding the Fourth Proportional to 841,319.28, 1,161,046.24 and 478,795.28

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Solution

The fourth proportional to 841,319.28, 1,161,046.24 and 478,795.28 is: 660,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,319.28 : 1,161,046.24 = 478,795.28 : x
  2. Step 2: Convert to fraction form
    841,319.28/1,161,046.24 = 478,795.28/x
  3. Step 3: Cross multiply
    841,319.28x = 1,161,046.24 × 478,795.28
  4. Step 4: Simplify right side
    841,319.28x = 555,903,459,573.75
  5. Step 5: Solve for x
    x = 555,903,459,573.75/841,319.28
  6. Step 6: Final answer
    x = 660,752.07

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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.