Home / 852,809.31-1,176,869.25-470,827.89

Finding the Fourth Proportional to 852,809.31, 1,176,869.25 and 470,827.89

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Solution

The fourth proportional to 852,809.31, 1,176,869.25 and 470,827.89 is: 649,738.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,809.31 : 1,176,869.25 = 470,827.89 : x
  2. Step 2: Convert to fraction form
    852,809.31/1,176,869.25 = 470,827.89/x
  3. Step 3: Cross multiply
    852,809.31x = 1,176,869.25 × 470,827.89
  4. Step 4: Simplify right side
    852,809.31x = 554,102,865,783.38
  5. Step 5: Solve for x
    x = 554,102,865,783.38/852,809.31
  6. Step 6: Final answer
    x = 649,738.29

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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.