Home / 570,252.15-786,865.59-315,602.73

Finding the Fourth Proportional to 570,252.15, 786,865.59 and 315,602.73

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Solution

The fourth proportional to 570,252.15, 786,865.59 and 315,602.73 is: 435,486.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,252.15 : 786,865.59 = 315,602.73 : x
  2. Step 2: Convert to fraction form
    570,252.15/786,865.59 = 315,602.73/x
  3. Step 3: Cross multiply
    570,252.15x = 786,865.59 × 315,602.73
  4. Step 4: Simplify right side
    570,252.15x = 248,336,928,347.06
  5. Step 5: Solve for x
    x = 248,336,928,347.06/570,252.15
  6. Step 6: Final answer
    x = 435,486.18

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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.