Home / 803,303.79-1,108,570.54-440,721.06

Finding the Fourth Proportional to 803,303.79, 1,108,570.54 and 440,721.06

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Solution

The fourth proportional to 803,303.79, 1,108,570.54 and 440,721.06 is: 608,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,303.79 : 1,108,570.54 = 440,721.06 : x
  2. Step 2: Convert to fraction form
    803,303.79/1,108,570.54 = 440,721.06/x
  3. Step 3: Cross multiply
    803,303.79x = 1,108,570.54 × 440,721.06
  4. Step 4: Simplify right side
    803,303.79x = 488,570,383,473.57
  5. Step 5: Solve for x
    x = 488,570,383,473.57/803,303.79
  6. Step 6: Final answer
    x = 608,201.27

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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.