Home / 570,623.36-787,460.18-315,974.54

Finding the Fourth Proportional to 570,623.36, 787,460.18 and 315,974.54

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Solution

The fourth proportional to 570,623.36, 787,460.18 and 315,974.54 is: 436,044.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,623.36 : 787,460.18 = 315,974.54 : x
  2. Step 2: Convert to fraction form
    570,623.36/787,460.18 = 315,974.54/x
  3. Step 3: Cross multiply
    570,623.36x = 787,460.18 × 315,974.54
  4. Step 4: Simplify right side
    570,623.36x = 248,817,362,626.64
  5. Step 5: Solve for x
    x = 248,817,362,626.64/570,623.36
  6. Step 6: Final answer
    x = 436,044.83

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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.