Home / 688,079.27-1,032,490.13-404,324.26

Finding the Fourth Proportional to 688,079.27, 1,032,490.13 and 404,324.26

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Solution

The fourth proportional to 688,079.27, 1,032,490.13 and 404,324.26 is: 606,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,079.27 : 1,032,490.13 = 404,324.26 : x
  2. Step 2: Convert to fraction form
    688,079.27/1,032,490.13 = 404,324.26/x
  3. Step 3: Cross multiply
    688,079.27x = 1,032,490.13 × 404,324.26
  4. Step 4: Simplify right side
    688,079.27x = 417,460,803,166.71
  5. Step 5: Solve for x
    x = 417,460,803,166.71/688,079.27
  6. Step 6: Final answer
    x = 606,704.52

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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.