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Finding the Fourth Proportional to 507,570.55, 700,447.36 and 303,630.07

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Solution

The fourth proportional to 507,570.55, 700,447.36 and 303,630.07 is: 419,009.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,570.55 : 700,447.36 = 303,630.07 : x
  2. Step 2: Convert to fraction form
    507,570.55/700,447.36 = 303,630.07/x
  3. Step 3: Cross multiply
    507,570.55x = 700,447.36 × 303,630.07
  4. Step 4: Simplify right side
    507,570.55x = 212,676,875,927.73
  5. Step 5: Solve for x
    x = 212,676,875,927.73/507,570.55
  6. Step 6: Final answer
    x = 419,009.49

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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.