Home / 510,664.32-766,117.98-257,322.24

Finding the Fourth Proportional to 510,664.32, 766,117.98 and 257,322.24

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Solution

The fourth proportional to 510,664.32, 766,117.98 and 257,322.24 is: 386,044.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,664.32 : 766,117.98 = 257,322.24 : x
  2. Step 2: Convert to fraction form
    510,664.32/766,117.98 = 257,322.24/x
  3. Step 3: Cross multiply
    510,664.32x = 766,117.98 × 257,322.24
  4. Step 4: Simplify right side
    510,664.32x = 197,139,194,717.88
  5. Step 5: Solve for x
    x = 197,139,194,717.88/510,664.32
  6. Step 6: Final answer
    x = 386,044.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.