Home / 910,167.50-1,256,031.69-507,759.50

Finding the Fourth Proportional to 910,167.50, 1,256,031.69 and 507,759.50

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Solution

The fourth proportional to 910,167.50, 1,256,031.69 and 507,759.50 is: 700,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,167.50 : 1,256,031.69 = 507,759.50 : x
  2. Step 2: Convert to fraction form
    910,167.50/1,256,031.69 = 507,759.50/x
  3. Step 3: Cross multiply
    910,167.50x = 1,256,031.69 × 507,759.50
  4. Step 4: Simplify right side
    910,167.50x = 637,762,022,898.56
  5. Step 5: Solve for x
    x = 637,762,022,898.56/910,167.50
  6. Step 6: Final answer
    x = 700,708.41

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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.