Home / 497,137.28-686,050.88-295,931.52

Finding the Fourth Proportional to 497,137.28, 686,050.88 and 295,931.52

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Solution

The fourth proportional to 497,137.28, 686,050.88 and 295,931.52 is: 408,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,137.28 : 686,050.88 = 295,931.52 : x
  2. Step 2: Convert to fraction form
    497,137.28/686,050.88 = 295,931.52/x
  3. Step 3: Cross multiply
    497,137.28x = 686,050.88 × 295,931.52
  4. Step 4: Simplify right side
    497,137.28x = 203,024,079,715.74
  5. Step 5: Solve for x
    x = 203,024,079,715.74/497,137.28
  6. Step 6: Final answer
    x = 408,386.35

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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.