Home / 570,212.82-786,918.41-315,564.10

Finding the Fourth Proportional to 570,212.82, 786,918.41 and 315,564.10

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Solution

The fourth proportional to 570,212.82, 786,918.41 and 315,564.10 is: 435,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,212.82 : 786,918.41 = 315,564.10 : x
  2. Step 2: Convert to fraction form
    570,212.82/786,918.41 = 315,564.10/x
  3. Step 3: Cross multiply
    570,212.82x = 786,918.41 × 315,564.10
  4. Step 4: Simplify right side
    570,212.82x = 248,323,199,825.08
  5. Step 5: Solve for x
    x = 248,323,199,825.08/570,212.82
  6. Step 6: Final answer
    x = 435,492.14

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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.