Home / 915,376.74-1,263,294.48-507,606.48

Finding the Fourth Proportional to 915,376.74, 1,263,294.48 and 507,606.48

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Solution

The fourth proportional to 915,376.74, 1,263,294.48 and 507,606.48 is: 700,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,376.74 : 1,263,294.48 = 507,606.48 : x
  2. Step 2: Convert to fraction form
    915,376.74/1,263,294.48 = 507,606.48/x
  3. Step 3: Cross multiply
    915,376.74x = 1,263,294.48 × 507,606.48
  4. Step 4: Simplify right side
    915,376.74x = 641,256,464,196.23
  5. Step 5: Solve for x
    x = 641,256,464,196.23/915,376.74
  6. Step 6: Final answer
    x = 700,538.30

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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.