Home / 739,857.16-1,021,006.38-417,580.84

Finding the Fourth Proportional to 739,857.16, 1,021,006.38 and 417,580.84

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Solution

The fourth proportional to 739,857.16, 1,021,006.38 and 417,580.84 is: 576,263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,857.16 : 1,021,006.38 = 417,580.84 : x
  2. Step 2: Convert to fraction form
    739,857.16/1,021,006.38 = 417,580.84/x
  3. Step 3: Cross multiply
    739,857.16x = 1,021,006.38 × 417,580.84
  4. Step 4: Simplify right side
    739,857.16x = 426,352,701,805.76
  5. Step 5: Solve for x
    x = 426,352,701,805.76/739,857.16
  6. Step 6: Final answer
    x = 576,263.53

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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.