Home / 772,435.34-1,158,972.75-417,031.37

Finding the Fourth Proportional to 772,435.34, 1,158,972.75 and 417,031.37

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Solution

The fourth proportional to 772,435.34, 1,158,972.75 and 417,031.37 is: 625,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,435.34 : 1,158,972.75 = 417,031.37 : x
  2. Step 2: Convert to fraction form
    772,435.34/1,158,972.75 = 417,031.37/x
  3. Step 3: Cross multiply
    772,435.34x = 1,158,972.75 × 417,031.37
  4. Step 4: Simplify right side
    772,435.34x = 483,327,993,725.17
  5. Step 5: Solve for x
    x = 483,327,993,725.17/772,435.34
  6. Step 6: Final answer
    x = 625,719.68

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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.