Home / 864,140.40-1,296,210.60-365,504.40

Finding the Fourth Proportional to 864,140.40, 1,296,210.60 and 365,504.40

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Solution

The fourth proportional to 864,140.40, 1,296,210.60 and 365,504.40 is: 548,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,140.40 : 1,296,210.60 = 365,504.40 : x
  2. Step 2: Convert to fraction form
    864,140.40/1,296,210.60 = 365,504.40/x
  3. Step 3: Cross multiply
    864,140.40x = 1,296,210.60 × 365,504.40
  4. Step 4: Simplify right side
    864,140.40x = 473,770,677,626.64
  5. Step 5: Solve for x
    x = 473,770,677,626.64/864,140.40
  6. Step 6: Final answer
    x = 548,256.60

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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.