Home / 495,756.90-684,148.86-269,402.40

Finding the Fourth Proportional to 495,756.90, 684,148.86 and 269,402.40

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Solution

The fourth proportional to 495,756.90, 684,148.86 and 269,402.40 is: 371,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,756.90 : 684,148.86 = 269,402.40 : x
  2. Step 2: Convert to fraction form
    495,756.90/684,148.86 = 269,402.40/x
  3. Step 3: Cross multiply
    495,756.90x = 684,148.86 × 269,402.40
  4. Step 4: Simplify right side
    495,756.90x = 184,311,344,841.26
  5. Step 5: Solve for x
    x = 184,311,344,841.26/495,756.90
  6. Step 6: Final answer
    x = 371,777.67

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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.