Home / 909,627.60-1,364,441.40-310,535.40

Finding the Fourth Proportional to 909,627.60, 1,364,441.40 and 310,535.40

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Solution

The fourth proportional to 909,627.60, 1,364,441.40 and 310,535.40 is: 465,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,627.60 : 1,364,441.40 = 310,535.40 : x
  2. Step 2: Convert to fraction form
    909,627.60/1,364,441.40 = 310,535.40/x
  3. Step 3: Cross multiply
    909,627.60x = 1,364,441.40 × 310,535.40
  4. Step 4: Simplify right side
    909,627.60x = 423,707,355,925.56
  5. Step 5: Solve for x
    x = 423,707,355,925.56/909,627.60
  6. Step 6: Final answer
    x = 465,803.10

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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.