Home / 912,579.40-1,366,244.70-558,285.40

Finding the Fourth Proportional to 912,579.40, 1,366,244.70 and 558,285.40

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Solution

The fourth proportional to 912,579.40, 1,366,244.70 and 558,285.40 is: 835,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,579.40 : 1,366,244.70 = 558,285.40 : x
  2. Step 2: Convert to fraction form
    912,579.40/1,366,244.70 = 558,285.40/x
  3. Step 3: Cross multiply
    912,579.40x = 1,366,244.70 × 558,285.40
  4. Step 4: Simplify right side
    912,579.40x = 762,754,468,837.38
  5. Step 5: Solve for x
    x = 762,754,468,837.38/912,579.40
  6. Step 6: Final answer
    x = 835,822.58

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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.