Home / 686,938.19-1,030,394.98-282,042.48

Finding the Fourth Proportional to 686,938.19, 1,030,394.98 and 282,042.48

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Solution

The fourth proportional to 686,938.19, 1,030,394.98 and 282,042.48 is: 423,058.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,938.19 : 1,030,394.98 = 282,042.48 : x
  2. Step 2: Convert to fraction form
    686,938.19/1,030,394.98 = 282,042.48/x
  3. Step 3: Cross multiply
    686,938.19x = 1,030,394.98 × 282,042.48
  4. Step 4: Simplify right side
    686,938.19x = 290,615,152,027.32
  5. Step 5: Solve for x
    x = 290,615,152,027.32/686,938.19
  6. Step 6: Final answer
    x = 423,058.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.