Home / 803,505.07-1,108,853.72-440,907.76

Finding the Fourth Proportional to 803,505.07, 1,108,853.72 and 440,907.76

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Solution

The fourth proportional to 803,505.07, 1,108,853.72 and 440,907.76 is: 608,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,505.07 : 1,108,853.72 = 440,907.76 : x
  2. Step 2: Convert to fraction form
    803,505.07/1,108,853.72 = 440,907.76/x
  3. Step 3: Cross multiply
    803,505.07x = 1,108,853.72 × 440,907.76
  4. Step 4: Simplify right side
    803,505.07x = 488,902,209,852.87
  5. Step 5: Solve for x
    x = 488,902,209,852.87/803,505.07
  6. Step 6: Final answer
    x = 608,461.89

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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.