Home / 777,053.40-1,072,049.28-470,908.94

Finding the Fourth Proportional to 777,053.40, 1,072,049.28 and 470,908.94

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Solution

The fourth proportional to 777,053.40, 1,072,049.28 and 470,908.94 is: 649,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,053.40 : 1,072,049.28 = 470,908.94 : x
  2. Step 2: Convert to fraction form
    777,053.40/1,072,049.28 = 470,908.94/x
  3. Step 3: Cross multiply
    777,053.40x = 1,072,049.28 × 470,908.94
  4. Step 4: Simplify right side
    777,053.40x = 504,837,587,718.02
  5. Step 5: Solve for x
    x = 504,837,587,718.02/777,053.40
  6. Step 6: Final answer
    x = 649,681.98

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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.