Home / 631,025.04-870,807.96-344,544.24

Finding the Fourth Proportional to 631,025.04, 870,807.96 and 344,544.24

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Solution

The fourth proportional to 631,025.04, 870,807.96 and 344,544.24 is: 475,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,025.04 : 870,807.96 = 344,544.24 : x
  2. Step 2: Convert to fraction form
    631,025.04/870,807.96 = 344,544.24/x
  3. Step 3: Cross multiply
    631,025.04x = 870,807.96 × 344,544.24
  4. Step 4: Simplify right side
    631,025.04x = 300,031,866,764.15
  5. Step 5: Solve for x
    x = 300,031,866,764.15/631,025.04
  6. Step 6: Final answer
    x = 475,467.45

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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.