Home / 723,054.40-1,084,581.60-536,430.40

Finding the Fourth Proportional to 723,054.40, 1,084,581.60 and 536,430.40

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Solution

The fourth proportional to 723,054.40, 1,084,581.60 and 536,430.40 is: 804,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,054.40 : 1,084,581.60 = 536,430.40 : x
  2. Step 2: Convert to fraction form
    723,054.40/1,084,581.60 = 536,430.40/x
  3. Step 3: Cross multiply
    723,054.40x = 1,084,581.60 × 536,430.40
  4. Step 4: Simplify right side
    723,054.40x = 581,802,541,520.64
  5. Step 5: Solve for x
    x = 581,802,541,520.64/723,054.40
  6. Step 6: Final answer
    x = 804,645.60

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Double scale
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Similar ratio
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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.