Home / 803,065.28-1,108,210.88-440,485.88

Finding the Fourth Proportional to 803,065.28, 1,108,210.88 and 440,485.88

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Solution

The fourth proportional to 803,065.28, 1,108,210.88 and 440,485.88 is: 607,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,065.28 : 1,108,210.88 = 440,485.88 : x
  2. Step 2: Convert to fraction form
    803,065.28/1,108,210.88 = 440,485.88/x
  3. Step 3: Cross multiply
    803,065.28x = 1,108,210.88 × 440,485.88
  4. Step 4: Simplify right side
    803,065.28x = 488,151,244,702.37
  5. Step 5: Solve for x
    x = 488,151,244,702.37/803,065.28
  6. Step 6: Final answer
    x = 607,859.98

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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.