Home / 972,196.80-1,341,431.22-558,653.70

Finding the Fourth Proportional to 972,196.80, 1,341,431.22 and 558,653.70

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Solution

The fourth proportional to 972,196.80, 1,341,431.22 and 558,653.70 is: 770,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,196.80 : 1,341,431.22 = 558,653.70 : x
  2. Step 2: Convert to fraction form
    972,196.80/1,341,431.22 = 558,653.70/x
  3. Step 3: Cross multiply
    972,196.80x = 1,341,431.22 × 558,653.70
  4. Step 4: Simplify right side
    972,196.80x = 749,395,514,348.51
  5. Step 5: Solve for x
    x = 749,395,514,348.51/972,196.80
  6. Step 6: Final answer
    x = 770,826.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.