Home / 786,315.93-1,179,335.50-209,946.38

Finding the Fourth Proportional to 786,315.93, 1,179,335.50 and 209,946.38

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Solution

The fourth proportional to 786,315.93, 1,179,335.50 and 209,946.38 is: 314,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,315.93 : 1,179,335.50 = 209,946.38 : x
  2. Step 2: Convert to fraction form
    786,315.93/1,179,335.50 = 209,946.38/x
  3. Step 3: Cross multiply
    786,315.93x = 1,179,335.50 × 209,946.38
  4. Step 4: Simplify right side
    786,315.93x = 247,597,219,242.71
  5. Step 5: Solve for x
    x = 247,597,219,242.71/786,315.93
  6. Step 6: Final answer
    x = 314,882.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.