Home / 841,130.31-1,160,744.83-478,546.36

Finding the Fourth Proportional to 841,130.31, 1,160,744.83 and 478,546.36

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Solution

The fourth proportional to 841,130.31, 1,160,744.83 and 478,546.36 is: 660,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,130.31 : 1,160,744.83 = 478,546.36 : x
  2. Step 2: Convert to fraction form
    841,130.31/1,160,744.83 = 478,546.36/x
  3. Step 3: Cross multiply
    841,130.31x = 1,160,744.83 × 478,546.36
  4. Step 4: Simplify right side
    841,130.31x = 555,470,213,285.32
  5. Step 5: Solve for x
    x = 555,470,213,285.32/841,130.31
  6. Step 6: Final answer
    x = 660,385.44

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1.5x scale

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.