Home / 671,323.20-1,006,984.80-405,902.40

Finding the Fourth Proportional to 671,323.20, 1,006,984.80 and 405,902.40

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Solution

The fourth proportional to 671,323.20, 1,006,984.80 and 405,902.40 is: 608,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,323.20 : 1,006,984.80 = 405,902.40 : x
  2. Step 2: Convert to fraction form
    671,323.20/1,006,984.80 = 405,902.40/x
  3. Step 3: Cross multiply
    671,323.20x = 1,006,984.80 × 405,902.40
  4. Step 4: Simplify right side
    671,323.20x = 408,737,547,083.52
  5. Step 5: Solve for x
    x = 408,737,547,083.52/671,323.20
  6. Step 6: Final answer
    x = 608,853.60

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1.5x scale

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.