Home / 852,486.86-1,176,348.12-470,488.98

Finding the Fourth Proportional to 852,486.86, 1,176,348.12 and 470,488.98

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Solution

The fourth proportional to 852,486.86, 1,176,348.12 and 470,488.98 is: 649,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,486.86 : 1,176,348.12 = 470,488.98 : x
  2. Step 2: Convert to fraction form
    852,486.86/1,176,348.12 = 470,488.98/x
  3. Step 3: Cross multiply
    852,486.86x = 1,176,348.12 × 470,488.98
  4. Step 4: Simplify right side
    852,486.86x = 553,458,827,103.72
  5. Step 5: Solve for x
    x = 553,458,827,103.72/852,486.86
  6. Step 6: Final answer
    x = 649,228.57

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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.