Home / 970,334.40-1,455,501.60-550,430.40

Finding the Fourth Proportional to 970,334.40, 1,455,501.60 and 550,430.40

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Solution

The fourth proportional to 970,334.40, 1,455,501.60 and 550,430.40 is: 825,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,334.40 : 1,455,501.60 = 550,430.40 : x
  2. Step 2: Convert to fraction form
    970,334.40/1,455,501.60 = 550,430.40/x
  3. Step 3: Cross multiply
    970,334.40x = 1,455,501.60 × 550,430.40
  4. Step 4: Simplify right side
    970,334.40x = 801,152,327,888.64
  5. Step 5: Solve for x
    x = 801,152,327,888.64/970,334.40
  6. Step 6: Final answer
    x = 825,645.60

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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.