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Finding the Fourth Proportional to 631,365.30, 947,041.47 and 364,956.30

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Solution

The fourth proportional to 631,365.30, 947,041.47 and 364,956.30 is: 547,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,365.30 : 947,041.47 = 364,956.30 : x
  2. Step 2: Convert to fraction form
    631,365.30/947,041.47 = 364,956.30/x
  3. Step 3: Cross multiply
    631,365.30x = 947,041.47 × 364,956.30
  4. Step 4: Simplify right side
    631,365.30x = 345,628,750,837.76
  5. Step 5: Solve for x
    x = 345,628,750,837.76/631,365.30
  6. Step 6: Final answer
    x = 547,430.70

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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.