Home / 914,609.80-1,371,914.70-283,587.40

Finding the Fourth Proportional to 914,609.80, 1,371,914.70 and 283,587.40

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Solution

The fourth proportional to 914,609.80, 1,371,914.70 and 283,587.40 is: 425,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,609.80 : 1,371,914.70 = 283,587.40 : x
  2. Step 2: Convert to fraction form
    914,609.80/1,371,914.70 = 283,587.40/x
  3. Step 3: Cross multiply
    914,609.80x = 1,371,914.70 × 283,587.40
  4. Step 4: Simplify right side
    914,609.80x = 389,057,722,794.78
  5. Step 5: Solve for x
    x = 389,057,722,794.78/914,609.80
  6. Step 6: Final answer
    x = 425,381.10

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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.