Home / 916,037.86-1,264,139.82-508,166.50

Finding the Fourth Proportional to 916,037.86, 1,264,139.82 and 508,166.50

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Solution

The fourth proportional to 916,037.86, 1,264,139.82 and 508,166.50 is: 701,273.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,037.86 : 1,264,139.82 = 508,166.50 : x
  2. Step 2: Convert to fraction form
    916,037.86/1,264,139.82 = 508,166.50/x
  3. Step 3: Cross multiply
    916,037.86x = 1,264,139.82 × 508,166.50
  4. Step 4: Simplify right side
    916,037.86x = 642,393,507,840.03
  5. Step 5: Solve for x
    x = 642,393,507,840.03/916,037.86
  6. Step 6: Final answer
    x = 701,273.97

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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.