Home / 684,552.69-944,393.45-458,271.09

Finding the Fourth Proportional to 684,552.69, 944,393.45 and 458,271.09

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Solution

The fourth proportional to 684,552.69, 944,393.45 and 458,271.09 is: 632,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,552.69 : 944,393.45 = 458,271.09 : x
  2. Step 2: Convert to fraction form
    684,552.69/944,393.45 = 458,271.09/x
  3. Step 3: Cross multiply
    684,552.69x = 944,393.45 × 458,271.09
  4. Step 4: Simplify right side
    684,552.69x = 432,788,213,429.01
  5. Step 5: Solve for x
    x = 432,788,213,429.01/684,552.69
  6. Step 6: Final answer
    x = 632,220.46

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Double scale
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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.