Home / 697,031.78-1,045,683.81-223,680.74

Finding the Fourth Proportional to 697,031.78, 1,045,683.81 and 223,680.74

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Solution

The fourth proportional to 697,031.78, 1,045,683.81 and 223,680.74 is: 335,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,031.78 : 1,045,683.81 = 223,680.74 : x
  2. Step 2: Convert to fraction form
    697,031.78/1,045,683.81 = 223,680.74/x
  3. Step 3: Cross multiply
    697,031.78x = 1,045,683.81 × 223,680.74
  4. Step 4: Simplify right side
    697,031.78x = 233,899,328,426.82
  5. Step 5: Solve for x
    x = 233,899,328,426.82/697,031.78
  6. Step 6: Final answer
    x = 335,564.80

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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.