Home / 979,070.96-1,468,273.81-339,225.35

Finding the Fourth Proportional to 979,070.96, 1,468,273.81 and 339,225.35

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Solution

The fourth proportional to 979,070.96, 1,468,273.81 and 339,225.35 is: 508,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,070.96 : 1,468,273.81 = 339,225.35 : x
  2. Step 2: Convert to fraction form
    979,070.96/1,468,273.81 = 339,225.35/x
  3. Step 3: Cross multiply
    979,070.96x = 1,468,273.81 × 339,225.35
  4. Step 4: Simplify right side
    979,070.96x = 498,075,697,093.08
  5. Step 5: Solve for x
    x = 498,075,697,093.08/979,070.96
  6. Step 6: Final answer
    x = 508,722.78

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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.