Home / 841,449.62-1,161,206.79-478,901.06

Finding the Fourth Proportional to 841,449.62, 1,161,206.79 and 478,901.06

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Solution

The fourth proportional to 841,449.62, 1,161,206.79 and 478,901.06 is: 660,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,449.62 : 1,161,206.79 = 478,901.06 : x
  2. Step 2: Convert to fraction form
    841,449.62/1,161,206.79 = 478,901.06/x
  3. Step 3: Cross multiply
    841,449.62x = 1,161,206.79 × 478,901.06
  4. Step 4: Simplify right side
    841,449.62x = 556,103,159,362.81
  5. Step 5: Solve for x
    x = 556,103,159,362.81/841,449.62
  6. Step 6: Final answer
    x = 660,887.06

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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.