Home / 746,153.74-1,029,826.47-440,212.48

Finding the Fourth Proportional to 746,153.74, 1,029,826.47 and 440,212.48

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Solution

The fourth proportional to 746,153.74, 1,029,826.47 and 440,212.48 is: 607,572.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,153.74 : 1,029,826.47 = 440,212.48 : x
  2. Step 2: Convert to fraction form
    746,153.74/1,029,826.47 = 440,212.48/x
  3. Step 3: Cross multiply
    746,153.74x = 1,029,826.47 × 440,212.48
  4. Step 4: Simplify right side
    746,153.74x = 453,342,464,328.35
  5. Step 5: Solve for x
    x = 453,342,464,328.35/746,153.74
  6. Step 6: Final answer
    x = 607,572.46

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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.