Home / 671,603.70-1,007,405.55-632,205.30

Finding the Fourth Proportional to 671,603.70, 1,007,405.55 and 632,205.30

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Solution

The fourth proportional to 671,603.70, 1,007,405.55 and 632,205.30 is: 948,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,603.70 : 1,007,405.55 = 632,205.30 : x
  2. Step 2: Convert to fraction form
    671,603.70/1,007,405.55 = 632,205.30/x
  3. Step 3: Cross multiply
    671,603.70x = 1,007,405.55 × 632,205.30
  4. Step 4: Simplify right side
    671,603.70x = 636,887,127,959.42
  5. Step 5: Solve for x
    x = 636,887,127,959.42/671,603.70
  6. Step 6: Final answer
    x = 948,307.95

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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.