Home / 510,353.04-704,364.60-306,516.52

Finding the Fourth Proportional to 510,353.04, 704,364.60 and 306,516.52

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Solution

The fourth proportional to 510,353.04, 704,364.60 and 306,516.52 is: 423,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,353.04 : 704,364.60 = 306,516.52 : x
  2. Step 2: Convert to fraction form
    510,353.04/704,364.60 = 306,516.52/x
  3. Step 3: Cross multiply
    510,353.04x = 704,364.60 × 306,516.52
  4. Step 4: Simplify right side
    510,353.04x = 215,899,386,003.19
  5. Step 5: Solve for x
    x = 215,899,386,003.19/510,353.04
  6. Step 6: Final answer
    x = 423,039.29

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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.