Home / 801,038.57-1,105,434.86-438,485.58

Finding the Fourth Proportional to 801,038.57, 1,105,434.86 and 438,485.58

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Solution

The fourth proportional to 801,038.57, 1,105,434.86 and 438,485.58 is: 605,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,038.57 : 1,105,434.86 = 438,485.58 : x
  2. Step 2: Convert to fraction form
    801,038.57/1,105,434.86 = 438,485.58/x
  3. Step 3: Cross multiply
    801,038.57x = 1,105,434.86 × 438,485.58
  4. Step 4: Simplify right side
    801,038.57x = 484,717,243,546.89
  5. Step 5: Solve for x
    x = 484,717,243,546.89/801,038.57
  6. Step 6: Final answer
    x = 605,111.00

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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.