Home / 915,484.68-1,263,362.70-507,586.56

Finding the Fourth Proportional to 915,484.68, 1,263,362.70 and 507,586.56

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Solution

The fourth proportional to 915,484.68, 1,263,362.70 and 507,586.56 is: 700,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,484.68 : 1,263,362.70 = 507,586.56 : x
  2. Step 2: Convert to fraction form
    915,484.68/1,263,362.70 = 507,586.56/x
  3. Step 3: Cross multiply
    915,484.68x = 1,263,362.70 × 507,586.56
  4. Step 4: Simplify right side
    915,484.68x = 641,265,926,925.31
  5. Step 5: Solve for x
    x = 641,265,926,925.31/915,484.68
  6. Step 6: Final answer
    x = 700,466.04

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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.