Home / 570,619.24-787,444.89-315,964.96

Finding the Fourth Proportional to 570,619.24, 787,444.89 and 315,964.96

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Solution

The fourth proportional to 570,619.24, 787,444.89 and 315,964.96 is: 436,026.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,619.24 : 787,444.89 = 315,964.96 : x
  2. Step 2: Convert to fraction form
    570,619.24/787,444.89 = 315,964.96/x
  3. Step 3: Cross multiply
    570,619.24x = 787,444.89 × 315,964.96
  4. Step 4: Simplify right side
    570,619.24x = 248,804,989,233.83
  5. Step 5: Solve for x
    x = 248,804,989,233.83/570,619.24
  6. Step 6: Final answer
    x = 436,026.29

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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.