Home / 772,428.28-1,158,962.26-417,024.40

Finding the Fourth Proportional to 772,428.28, 1,158,962.26 and 417,024.40

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Solution

The fourth proportional to 772,428.28, 1,158,962.26 and 417,024.40 is: 625,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,428.28 : 1,158,962.26 = 417,024.40 : x
  2. Step 2: Convert to fraction form
    772,428.28/1,158,962.26 = 417,024.40/x
  3. Step 3: Cross multiply
    772,428.28x = 1,158,962.26 × 417,024.40
  4. Step 4: Simplify right side
    772,428.28x = 483,315,541,099.14
  5. Step 5: Solve for x
    x = 483,315,541,099.14/772,428.28
  6. Step 6: Final answer
    x = 625,709.28

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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.