Home / 570,623.19-787,459.44-315,974.37

Finding the Fourth Proportional to 570,623.19, 787,459.44 and 315,974.37

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Solution

The fourth proportional to 570,623.19, 787,459.44 and 315,974.37 is: 436,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,623.19 : 787,459.44 = 315,974.37 : x
  2. Step 2: Convert to fraction form
    570,623.19/787,459.44 = 315,974.37/x
  3. Step 3: Cross multiply
    570,623.19x = 787,459.44 × 315,974.37
  4. Step 4: Simplify right side
    570,623.19x = 248,817,000,454.55
  5. Step 5: Solve for x
    x = 248,817,000,454.55/570,623.19
  6. Step 6: Final answer
    x = 436,044.32

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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.