Home / 500,031.17-690,037.66-270,583.42

Finding the Fourth Proportional to 500,031.17, 690,037.66 and 270,583.42

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Solution

The fourth proportional to 500,031.17, 690,037.66 and 270,583.42 is: 373,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,031.17 : 690,037.66 = 270,583.42 : x
  2. Step 2: Convert to fraction form
    500,031.17/690,037.66 = 270,583.42/x
  3. Step 3: Cross multiply
    500,031.17x = 690,037.66 × 270,583.42
  4. Step 4: Simplify right side
    500,031.17x = 186,712,749,971.60
  5. Step 5: Solve for x
    x = 186,712,749,971.60/500,031.17
  6. Step 6: Final answer
    x = 373,402.22

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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.