Home / 739,852.10-1,020,619.76-449,386.38

Finding the Fourth Proportional to 739,852.10, 1,020,619.76 and 449,386.38

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Solution

The fourth proportional to 739,852.10, 1,020,619.76 and 449,386.38 is: 619,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,852.10 : 1,020,619.76 = 449,386.38 : x
  2. Step 2: Convert to fraction form
    739,852.10/1,020,619.76 = 449,386.38/x
  3. Step 3: Cross multiply
    739,852.10x = 1,020,619.76 × 449,386.38
  4. Step 4: Simplify right side
    739,852.10x = 458,652,623,760.99
  5. Step 5: Solve for x
    x = 458,652,623,760.99/739,852.10
  6. Step 6: Final answer
    x = 619,924.74

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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.