Home / 688,683.38-1,032,433.43-239,345.87

Finding the Fourth Proportional to 688,683.38, 1,032,433.43 and 239,345.87

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Solution

The fourth proportional to 688,683.38, 1,032,433.43 and 239,345.87 is: 358,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,683.38 : 1,032,433.43 = 239,345.87 : x
  2. Step 2: Convert to fraction form
    688,683.38/1,032,433.43 = 239,345.87/x
  3. Step 3: Cross multiply
    688,683.38x = 1,032,433.43 × 239,345.87
  4. Step 4: Simplify right side
    688,683.38x = 247,108,671,161.54
  5. Step 5: Solve for x
    x = 247,108,671,161.54/688,683.38
  6. Step 6: Final answer
    x = 358,813.18

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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.