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Finding the Fourth Proportional to 834,907.07, 1,252,357.53 and 302,303.54

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Solution

The fourth proportional to 834,907.07, 1,252,357.53 and 302,303.54 is: 453,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,907.07 : 1,252,357.53 = 302,303.54 : x
  2. Step 2: Convert to fraction form
    834,907.07/1,252,357.53 = 302,303.54/x
  3. Step 3: Cross multiply
    834,907.07x = 1,252,357.53 × 302,303.54
  4. Step 4: Simplify right side
    834,907.07x = 378,592,117,512.14
  5. Step 5: Solve for x
    x = 378,592,117,512.14/834,907.07
  6. Step 6: Final answer
    x = 453,454.20

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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.