Home / 641,799.10-962,720.98-304,666.08

Finding the Fourth Proportional to 641,799.10, 962,720.98 and 304,666.08

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Solution

The fourth proportional to 641,799.10, 962,720.98 and 304,666.08 is: 457,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,799.10 : 962,720.98 = 304,666.08 : x
  2. Step 2: Convert to fraction form
    641,799.10/962,720.98 = 304,666.08/x
  3. Step 3: Cross multiply
    641,799.10x = 962,720.98 × 304,666.08
  4. Step 4: Simplify right side
    641,799.10x = 293,308,427,110.36
  5. Step 5: Solve for x
    x = 293,308,427,110.36/641,799.10
  6. Step 6: Final answer
    x = 457,009.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.