Home / 915,473.34-1,263,302.60-507,551.36

Finding the Fourth Proportional to 915,473.34, 1,263,302.60 and 507,551.36

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Solution

The fourth proportional to 915,473.34, 1,263,302.60 and 507,551.36 is: 700,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,473.34 : 1,263,302.60 = 507,551.36 : x
  2. Step 2: Convert to fraction form
    915,473.34/1,263,302.60 = 507,551.36/x
  3. Step 3: Cross multiply
    915,473.34x = 1,263,302.60 × 507,551.36
  4. Step 4: Simplify right side
    915,473.34x = 641,190,943,867.27
  5. Step 5: Solve for x
    x = 641,190,943,867.27/915,473.34
  6. Step 6: Final answer
    x = 700,392.81

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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.