Home / 688,177.56-1,032,265.96-214,903.48

Finding the Fourth Proportional to 688,177.56, 1,032,265.96 and 214,903.48

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Solution

The fourth proportional to 688,177.56, 1,032,265.96 and 214,903.48 is: 322,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,177.56 : 1,032,265.96 = 214,903.48 : x
  2. Step 2: Convert to fraction form
    688,177.56/1,032,265.96 = 214,903.48/x
  3. Step 3: Cross multiply
    688,177.56x = 1,032,265.96 × 214,903.48
  4. Step 4: Simplify right side
    688,177.56x = 221,837,547,089.54
  5. Step 5: Solve for x
    x = 221,837,547,089.54/688,177.56
  6. Step 6: Final answer
    x = 322,355.10

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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.