Home / 916,313.58-1,264,469.04-508,410.72

Finding the Fourth Proportional to 916,313.58, 1,264,469.04 and 508,410.72

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Solution

The fourth proportional to 916,313.58, 1,264,469.04 and 508,410.72 is: 701,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,313.58 : 1,264,469.04 = 508,410.72 : x
  2. Step 2: Convert to fraction form
    916,313.58/1,264,469.04 = 508,410.72/x
  3. Step 3: Cross multiply
    916,313.58x = 1,264,469.04 × 508,410.72
  4. Step 4: Simplify right side
    916,313.58x = 642,869,615,044.11
  5. Step 5: Solve for x
    x = 642,869,615,044.11/916,313.58
  6. Step 6: Final answer
    x = 701,582.55

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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.