Home / 739,606.73-1,020,673.22-408,461.63

Finding the Fourth Proportional to 739,606.73, 1,020,673.22 and 408,461.63

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Solution

The fourth proportional to 739,606.73, 1,020,673.22 and 408,461.63 is: 563,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,606.73 : 1,020,673.22 = 408,461.63 : x
  2. Step 2: Convert to fraction form
    739,606.73/1,020,673.22 = 408,461.63/x
  3. Step 3: Cross multiply
    739,606.73x = 1,020,673.22 × 408,461.63
  4. Step 4: Simplify right side
    739,606.73x = 416,905,843,820.40
  5. Step 5: Solve for x
    x = 416,905,843,820.40/739,606.73
  6. Step 6: Final answer
    x = 563,685.84

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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.