Home / 497,483.32-686,529.26-282,635.18

Finding the Fourth Proportional to 497,483.32, 686,529.26 and 282,635.18

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Solution

The fourth proportional to 497,483.32, 686,529.26 and 282,635.18 is: 390,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,483.32 : 686,529.26 = 282,635.18 : x
  2. Step 2: Convert to fraction form
    497,483.32/686,529.26 = 282,635.18/x
  3. Step 3: Cross multiply
    497,483.32x = 686,529.26 × 282,635.18
  4. Step 4: Simplify right side
    497,483.32x = 194,037,320,975.37
  5. Step 5: Solve for x
    x = 194,037,320,975.37/497,483.32
  6. Step 6: Final answer
    x = 390,037.84

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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.