Home / 852,451.95-1,176,377.91-470,478.74

Finding the Fourth Proportional to 852,451.95, 1,176,377.91 and 470,478.74

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Solution

The fourth proportional to 852,451.95, 1,176,377.91 and 470,478.74 is: 649,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,451.95 : 1,176,377.91 = 470,478.74 : x
  2. Step 2: Convert to fraction form
    852,451.95/1,176,377.91 = 470,478.74/x
  3. Step 3: Cross multiply
    852,451.95x = 1,176,377.91 × 470,478.74
  4. Step 4: Simplify right side
    852,451.95x = 553,460,796,860.63
  5. Step 5: Solve for x
    x = 553,460,796,860.63/852,451.95
  6. Step 6: Final answer
    x = 649,257.47

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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.