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Finding the Fourth Proportional to 507,266.06, 700,009.88 and 289,486.76

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Solution

The fourth proportional to 507,266.06, 700,009.88 and 289,486.76 is: 399,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,266.06 : 700,009.88 = 289,486.76 : x
  2. Step 2: Convert to fraction form
    507,266.06/700,009.88 = 289,486.76/x
  3. Step 3: Cross multiply
    507,266.06x = 700,009.88 × 289,486.76
  4. Step 4: Simplify right side
    507,266.06x = 202,643,592,129.19
  5. Step 5: Solve for x
    x = 202,643,592,129.19/507,266.06
  6. Step 6: Final answer
    x = 399,481.87

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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.