Home / 916,782.06-1,265,024.36-508,887.02

Finding the Fourth Proportional to 916,782.06, 1,265,024.36 and 508,887.02

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Solution

The fourth proportional to 916,782.06, 1,265,024.36 and 508,887.02 is: 702,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,782.06 : 1,265,024.36 = 508,887.02 : x
  2. Step 2: Convert to fraction form
    916,782.06/1,265,024.36 = 508,887.02/x
  3. Step 3: Cross multiply
    916,782.06x = 1,265,024.36 × 508,887.02
  4. Step 4: Simplify right side
    916,782.06x = 643,754,476,787.81
  5. Step 5: Solve for x
    x = 643,754,476,787.81/916,782.06
  6. Step 6: Final answer
    x = 702,189.22

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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.