Home / 909,482.44-1,364,363.79-310,303.93

Finding the Fourth Proportional to 909,482.44, 1,364,363.79 and 310,303.93

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Solution

The fourth proportional to 909,482.44, 1,364,363.79 and 310,303.93 is: 465,503.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,482.44 : 1,364,363.79 = 310,303.93 : x
  2. Step 2: Convert to fraction form
    909,482.44/1,364,363.79 = 310,303.93/x
  3. Step 3: Cross multiply
    909,482.44x = 1,364,363.79 × 310,303.93
  4. Step 4: Simplify right side
    909,482.44x = 423,367,445,986.70
  5. Step 5: Solve for x
    x = 423,367,445,986.70/909,482.44
  6. Step 6: Final answer
    x = 465,503.71

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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.