Home / 916,569.09-1,264,940.82-508,663.53

Finding the Fourth Proportional to 916,569.09, 1,264,940.82 and 508,663.53

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Solution

The fourth proportional to 916,569.09, 1,264,940.82 and 508,663.53 is: 701,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,569.09 : 1,264,940.82 = 508,663.53 : x
  2. Step 2: Convert to fraction form
    916,569.09/1,264,940.82 = 508,663.53/x
  3. Step 3: Cross multiply
    916,569.09x = 1,264,940.82 × 508,663.53
  4. Step 4: Simplify right side
    916,569.09x = 643,429,262,742.30
  5. Step 5: Solve for x
    x = 643,429,262,742.30/916,569.09
  6. Step 6: Final answer
    x = 701,997.56

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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.