Home / 783,868.98-1,175,677.51-215,117.22

Finding the Fourth Proportional to 783,868.98, 1,175,677.51 and 215,117.22

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Solution

The fourth proportional to 783,868.98, 1,175,677.51 and 215,117.22 is: 322,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,868.98 : 1,175,677.51 = 215,117.22 : x
  2. Step 2: Convert to fraction form
    783,868.98/1,175,677.51 = 215,117.22/x
  3. Step 3: Cross multiply
    783,868.98x = 1,175,677.51 × 215,117.22
  4. Step 4: Simplify right side
    783,868.98x = 252,908,477,567.72
  5. Step 5: Solve for x
    x = 252,908,477,567.72/783,868.98
  6. Step 6: Final answer
    x = 322,641.26

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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.