Home / 915,456.96-1,263,405.06-507,599.28

Finding the Fourth Proportional to 915,456.96, 1,263,405.06 and 507,599.28

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Solution

The fourth proportional to 915,456.96, 1,263,405.06 and 507,599.28 is: 700,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,456.96 : 1,263,405.06 = 507,599.28 : x
  2. Step 2: Convert to fraction form
    915,456.96/1,263,405.06 = 507,599.28/x
  3. Step 3: Cross multiply
    915,456.96x = 1,263,405.06 × 507,599.28
  4. Step 4: Simplify right side
    915,456.96x = 641,303,498,804.36
  5. Step 5: Solve for x
    x = 641,303,498,804.36/915,456.96
  6. Step 6: Final answer
    x = 700,528.29

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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.