Home / 911,037.52-1,256,939.40-508,551.76

Finding the Fourth Proportional to 911,037.52, 1,256,939.40 and 508,551.76

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Solution

The fourth proportional to 911,037.52, 1,256,939.40 and 508,551.76 is: 701,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,037.52 : 1,256,939.40 = 508,551.76 : x
  2. Step 2: Convert to fraction form
    911,037.52/1,256,939.40 = 508,551.76/x
  3. Step 3: Cross multiply
    911,037.52x = 1,256,939.40 × 508,551.76
  4. Step 4: Simplify right side
    911,037.52x = 639,218,744,083.34
  5. Step 5: Solve for x
    x = 639,218,744,083.34/911,037.52
  6. Step 6: Final answer
    x = 701,638.22

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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.