Home / 500,293.28-689,938.27-463,138.58

Finding the Fourth Proportional to 500,293.28, 689,938.27 and 463,138.58

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Solution

The fourth proportional to 500,293.28, 689,938.27 and 463,138.58 is: 638,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,293.28 : 689,938.27 = 463,138.58 : x
  2. Step 2: Convert to fraction form
    500,293.28/689,938.27 = 463,138.58/x
  3. Step 3: Cross multiply
    500,293.28x = 689,938.27 × 463,138.58
  4. Step 4: Simplify right side
    500,293.28x = 319,537,024,890.07
  5. Step 5: Solve for x
    x = 319,537,024,890.07/500,293.28
  6. Step 6: Final answer
    x = 638,699.42

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1.5x scale

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.