Home / 915,762.75-1,263,752.60-507,927.06

Finding the Fourth Proportional to 915,762.75, 1,263,752.60 and 507,927.06

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Solution

The fourth proportional to 915,762.75, 1,263,752.60 and 507,927.06 is: 700,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,762.75 : 1,263,752.60 = 507,927.06 : x
  2. Step 2: Convert to fraction form
    915,762.75/1,263,752.60 = 507,927.06/x
  3. Step 3: Cross multiply
    915,762.75x = 1,263,752.60 × 507,927.06
  4. Step 4: Simplify right side
    915,762.75x = 641,894,140,145.72
  5. Step 5: Solve for x
    x = 641,894,140,145.72/915,762.75
  6. Step 6: Final answer
    x = 700,939.34

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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.