Home / 915,224.48-1,263,018.24-507,330.72

Finding the Fourth Proportional to 915,224.48, 1,263,018.24 and 507,330.72

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Solution

The fourth proportional to 915,224.48, 1,263,018.24 and 507,330.72 is: 700,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,224.48 : 1,263,018.24 = 507,330.72 : x
  2. Step 2: Convert to fraction form
    915,224.48/1,263,018.24 = 507,330.72/x
  3. Step 3: Cross multiply
    915,224.48x = 1,263,018.24 × 507,330.72
  4. Step 4: Simplify right side
    915,224.48x = 640,767,953,072.33
  5. Step 5: Solve for x
    x = 640,767,953,072.33/915,224.48
  6. Step 6: Final answer
    x = 700,121.08

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Double scale
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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.