Home / 909,734.80-1,364,602.20-436,176.40

Finding the Fourth Proportional to 909,734.80, 1,364,602.20 and 436,176.40

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Solution

The fourth proportional to 909,734.80, 1,364,602.20 and 436,176.40 is: 654,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,734.80 : 1,364,602.20 = 436,176.40 : x
  2. Step 2: Convert to fraction form
    909,734.80/1,364,602.20 = 436,176.40/x
  3. Step 3: Cross multiply
    909,734.80x = 1,364,602.20 × 436,176.40
  4. Step 4: Simplify right side
    909,734.80x = 595,207,275,028.08
  5. Step 5: Solve for x
    x = 595,207,275,028.08/909,734.80
  6. Step 6: Final answer
    x = 654,264.60

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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.