Home / 781,879.19-1,078,979.52-433,012.37

Finding the Fourth Proportional to 781,879.19, 1,078,979.52 and 433,012.37

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Solution

The fourth proportional to 781,879.19, 1,078,979.52 and 433,012.37 is: 597,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,879.19 : 1,078,979.52 = 433,012.37 : x
  2. Step 2: Convert to fraction form
    781,879.19/1,078,979.52 = 433,012.37/x
  3. Step 3: Cross multiply
    781,879.19x = 1,078,979.52 × 433,012.37
  4. Step 4: Simplify right side
    781,879.19x = 467,211,473,741.77
  5. Step 5: Solve for x
    x = 467,211,473,741.77/781,879.19
  6. Step 6: Final answer
    x = 597,549.44

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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.