Home / 570,619.08-787,444.71-315,964.80

Finding the Fourth Proportional to 570,619.08, 787,444.71 and 315,964.80

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Solution

The fourth proportional to 570,619.08, 787,444.71 and 315,964.80 is: 436,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,619.08 : 787,444.71 = 315,964.80 : x
  2. Step 2: Convert to fraction form
    570,619.08/787,444.71 = 315,964.80/x
  3. Step 3: Cross multiply
    570,619.08x = 787,444.71 × 315,964.80
  4. Step 4: Simplify right side
    570,619.08x = 248,804,810,306.21
  5. Step 5: Solve for x
    x = 248,804,810,306.21/570,619.08
  6. Step 6: Final answer
    x = 436,026.10

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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.