Home / 910,165.50-1,256,028.93-507,757.50

Finding the Fourth Proportional to 910,165.50, 1,256,028.93 and 507,757.50

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Solution

The fourth proportional to 910,165.50, 1,256,028.93 and 507,757.50 is: 700,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,165.50 : 1,256,028.93 = 507,757.50 : x
  2. Step 2: Convert to fraction form
    910,165.50/1,256,028.93 = 507,757.50/x
  3. Step 3: Cross multiply
    910,165.50x = 1,256,028.93 × 507,757.50
  4. Step 4: Simplify right side
    910,165.50x = 637,758,109,424.48
  5. Step 5: Solve for x
    x = 637,758,109,424.48/910,165.50
  6. Step 6: Final answer
    x = 700,705.65

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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.