Home / 570,631.99-787,495.88-315,983.17

Finding the Fourth Proportional to 570,631.99, 787,495.88 and 315,983.17

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Solution

The fourth proportional to 570,631.99, 787,495.88 and 315,983.17 is: 436,069.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,631.99 : 787,495.88 = 315,983.17 : x
  2. Step 2: Convert to fraction form
    570,631.99/787,495.88 = 315,983.17/x
  3. Step 3: Cross multiply
    570,631.99x = 787,495.88 × 315,983.17
  4. Step 4: Simplify right side
    570,631.99x = 248,835,444,524.34
  5. Step 5: Solve for x
    x = 248,835,444,524.34/570,631.99
  6. Step 6: Final answer
    x = 436,069.92

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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.