Home / 948,209.08-1,308,276.36-540,302.20

Finding the Fourth Proportional to 948,209.08, 1,308,276.36 and 540,302.20

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Solution

The fourth proportional to 948,209.08, 1,308,276.36 and 540,302.20 is: 745,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,209.08 : 1,308,276.36 = 540,302.20 : x
  2. Step 2: Convert to fraction form
    948,209.08/1,308,276.36 = 540,302.20/x
  3. Step 3: Cross multiply
    948,209.08x = 1,308,276.36 × 540,302.20
  4. Step 4: Simplify right side
    948,209.08x = 706,864,595,515.99
  5. Step 5: Solve for x
    x = 706,864,595,515.99/948,209.08
  6. Step 6: Final answer
    x = 745,473.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.