Home / 803,004.59-1,108,177.35-440,443.73

Finding the Fourth Proportional to 803,004.59, 1,108,177.35 and 440,443.73

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Solution

The fourth proportional to 803,004.59, 1,108,177.35 and 440,443.73 is: 607,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,004.59 : 1,108,177.35 = 440,443.73 : x
  2. Step 2: Convert to fraction form
    803,004.59/1,108,177.35 = 440,443.73/x
  3. Step 3: Cross multiply
    803,004.59x = 1,108,177.35 × 440,443.73
  4. Step 4: Simplify right side
    803,004.59x = 488,089,759,994.63
  5. Step 5: Solve for x
    x = 488,089,759,994.63/803,004.59
  6. Step 6: Final answer
    x = 607,829.36

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Double scale
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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.