Home / 852,512.82-1,176,383.88-470,514.98

Finding the Fourth Proportional to 852,512.82, 1,176,383.88 and 470,514.98

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Solution

The fourth proportional to 852,512.82, 1,176,383.88 and 470,514.98 is: 649,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,512.82 : 1,176,383.88 = 470,514.98 : x
  2. Step 2: Convert to fraction form
    852,512.82/1,176,383.88 = 470,514.98/x
  3. Step 3: Cross multiply
    852,512.82x = 1,176,383.88 × 470,514.98
  4. Step 4: Simplify right side
    852,512.82x = 553,506,231,888.60
  5. Step 5: Solve for x
    x = 553,506,231,888.60/852,512.82
  6. Step 6: Final answer
    x = 649,264.41

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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.