Home / 915,360.62-1,263,272.22-507,590.30

Finding the Fourth Proportional to 915,360.62, 1,263,272.22 and 507,590.30

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Solution

The fourth proportional to 915,360.62, 1,263,272.22 and 507,590.30 is: 700,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,360.62 : 1,263,272.22 = 507,590.30 : x
  2. Step 2: Convert to fraction form
    915,360.62/1,263,272.22 = 507,590.30/x
  3. Step 3: Cross multiply
    915,360.62x = 1,263,272.22 × 507,590.30
  4. Step 4: Simplify right side
    915,360.62x = 641,224,728,289.65
  5. Step 5: Solve for x
    x = 641,224,728,289.65/915,360.62
  6. Step 6: Final answer
    x = 700,515.97

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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.