Home / 688,205.10-1,032,307.17-214,931.02

Finding the Fourth Proportional to 688,205.10, 1,032,307.17 and 214,931.02

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Solution

The fourth proportional to 688,205.10, 1,032,307.17 and 214,931.02 is: 322,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,205.10 : 1,032,307.17 = 214,931.02 : x
  2. Step 2: Convert to fraction form
    688,205.10/1,032,307.17 = 214,931.02/x
  3. Step 3: Cross multiply
    688,205.10x = 1,032,307.17 × 214,931.02
  4. Step 4: Simplify right side
    688,205.10x = 221,874,833,001.41
  5. Step 5: Solve for x
    x = 221,874,833,001.41/688,205.10
  6. Step 6: Final answer
    x = 322,396.38

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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.