Home / 915,359.48-1,263,270.67-507,589.18

Finding the Fourth Proportional to 915,359.48, 1,263,270.67 and 507,589.18

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Solution

The fourth proportional to 915,359.48, 1,263,270.67 and 507,589.18 is: 700,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,359.48 : 1,263,270.67 = 507,589.18 : x
  2. Step 2: Convert to fraction form
    915,359.48/1,263,270.67 = 507,589.18/x
  3. Step 3: Cross multiply
    915,359.48x = 1,263,270.67 × 507,589.18
  4. Step 4: Simplify right side
    915,359.48x = 641,222,519,076.20
  5. Step 5: Solve for x
    x = 641,222,519,076.20/915,359.48
  6. Step 6: Final answer
    x = 700,514.43

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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.