Home / 570,042.63-786,581.32-340,551.35

Finding the Fourth Proportional to 570,042.63, 786,581.32 and 340,551.35

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Solution

The fourth proportional to 570,042.63, 786,581.32 and 340,551.35 is: 469,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,042.63 : 786,581.32 = 340,551.35 : x
  2. Step 2: Convert to fraction form
    570,042.63/786,581.32 = 340,551.35/x
  3. Step 3: Cross multiply
    570,042.63x = 786,581.32 × 340,551.35
  4. Step 4: Simplify right side
    570,042.63x = 267,871,327,960.25
  5. Step 5: Solve for x
    x = 267,871,327,960.25/570,042.63
  6. Step 6: Final answer
    x = 469,914.55

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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.