Home / 742,161.36-1,024,151.25-419,876.94

Finding the Fourth Proportional to 742,161.36, 1,024,151.25 and 419,876.94

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Solution

The fourth proportional to 742,161.36, 1,024,151.25 and 419,876.94 is: 579,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,161.36 : 1,024,151.25 = 419,876.94 : x
  2. Step 2: Convert to fraction form
    742,161.36/1,024,151.25 = 419,876.94/x
  3. Step 3: Cross multiply
    742,161.36x = 1,024,151.25 × 419,876.94
  4. Step 4: Simplify right side
    742,161.36x = 430,017,492,947.18
  5. Step 5: Solve for x
    x = 430,017,492,947.18/742,161.36
  6. Step 6: Final answer
    x = 579,412.40

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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.