Home / 626,516.40-939,947.40-310,983.60

Finding the Fourth Proportional to 626,516.40, 939,947.40 and 310,983.60

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Solution

The fourth proportional to 626,516.40, 939,947.40 and 310,983.60 is: 466,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,516.40 : 939,947.40 = 310,983.60 : x
  2. Step 2: Convert to fraction form
    626,516.40/939,947.40 = 310,983.60/x
  3. Step 3: Cross multiply
    626,516.40x = 939,947.40 × 310,983.60
  4. Step 4: Simplify right side
    626,516.40x = 292,308,226,262.64
  5. Step 5: Solve for x
    x = 292,308,226,262.64/626,516.40
  6. Step 6: Final answer
    x = 466,561.17

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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.