Home / 909,981.07-1,364,971.50-310,947.39

Finding the Fourth Proportional to 909,981.07, 1,364,971.50 and 310,947.39

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Solution

The fourth proportional to 909,981.07, 1,364,971.50 and 310,947.39 is: 466,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,981.07 : 1,364,971.50 = 310,947.39 : x
  2. Step 2: Convert to fraction form
    909,981.07/1,364,971.50 = 310,947.39/x
  3. Step 3: Cross multiply
    909,981.07x = 1,364,971.50 × 310,947.39
  4. Step 4: Simplify right side
    909,981.07x = 424,434,325,349.39
  5. Step 5: Solve for x
    x = 424,434,325,349.39/909,981.07
  6. Step 6: Final answer
    x = 466,421.05

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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.