Home / 688,301.43-1,032,472.49-328,510.19

Finding the Fourth Proportional to 688,301.43, 1,032,472.49 and 328,510.19

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Solution

The fourth proportional to 688,301.43, 1,032,472.49 and 328,510.19 is: 492,775.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,301.43 : 1,032,472.49 = 328,510.19 : x
  2. Step 2: Convert to fraction form
    688,301.43/1,032,472.49 = 328,510.19/x
  3. Step 3: Cross multiply
    688,301.43x = 1,032,472.49 × 328,510.19
  4. Step 4: Simplify right side
    688,301.43x = 339,177,733,859.67
  5. Step 5: Solve for x
    x = 339,177,733,859.67/688,301.43
  6. Step 6: Final answer
    x = 492,775.00

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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.