Home / 912,661.40-1,366,367.70-558,367.40

Finding the Fourth Proportional to 912,661.40, 1,366,367.70 and 558,367.40

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Solution

The fourth proportional to 912,661.40, 1,366,367.70 and 558,367.40 is: 835,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,661.40 : 1,366,367.70 = 558,367.40 : x
  2. Step 2: Convert to fraction form
    912,661.40/1,366,367.70 = 558,367.40/x
  3. Step 3: Cross multiply
    912,661.40x = 1,366,367.70 × 558,367.40
  4. Step 4: Simplify right side
    912,661.40x = 762,935,180,092.98
  5. Step 5: Solve for x
    x = 762,935,180,092.98/912,661.40
  6. Step 6: Final answer
    x = 835,945.49

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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.