Home / 909,567.78-1,255,695.66-547,072.56

Finding the Fourth Proportional to 909,567.78, 1,255,695.66 and 547,072.56

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Solution

The fourth proportional to 909,567.78, 1,255,695.66 and 547,072.56 is: 755,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,567.78 : 1,255,695.66 = 547,072.56 : x
  2. Step 2: Convert to fraction form
    909,567.78/1,255,695.66 = 547,072.56/x
  3. Step 3: Cross multiply
    909,567.78x = 1,255,695.66 × 547,072.56
  4. Step 4: Simplify right side
    909,567.78x = 686,956,639,297.09
  5. Step 5: Solve for x
    x = 686,956,639,297.09/909,567.78
  6. Step 6: Final answer
    x = 755,256.13

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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.