Home / 910,486.80-1,365,730.20-436,928.40

Finding the Fourth Proportional to 910,486.80, 1,365,730.20 and 436,928.40

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Solution

The fourth proportional to 910,486.80, 1,365,730.20 and 436,928.40 is: 655,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,486.80 : 1,365,730.20 = 436,928.40 : x
  2. Step 2: Convert to fraction form
    910,486.80/1,365,730.20 = 436,928.40/x
  3. Step 3: Cross multiply
    910,486.80x = 1,365,730.20 × 436,928.40
  4. Step 4: Simplify right side
    910,486.80x = 596,726,311,117.68
  5. Step 5: Solve for x
    x = 596,726,311,117.68/910,486.80
  6. Step 6: Final answer
    x = 655,392.60

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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.