Home / 885,737.40-1,328,606.10-436,543.80

Finding the Fourth Proportional to 885,737.40, 1,328,606.10 and 436,543.80

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Solution

The fourth proportional to 885,737.40, 1,328,606.10 and 436,543.80 is: 654,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,737.40 : 1,328,606.10 = 436,543.80 : x
  2. Step 2: Convert to fraction form
    885,737.40/1,328,606.10 = 436,543.80/x
  3. Step 3: Cross multiply
    885,737.40x = 1,328,606.10 × 436,543.80
  4. Step 4: Simplify right side
    885,737.40x = 579,994,755,597.18
  5. Step 5: Solve for x
    x = 579,994,755,597.18/885,737.40
  6. Step 6: Final answer
    x = 654,815.70

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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.