Home / 832,494.47-1,148,845.98-450,521.28

Finding the Fourth Proportional to 832,494.47, 1,148,845.98 and 450,521.28

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Solution

The fourth proportional to 832,494.47, 1,148,845.98 and 450,521.28 is: 621,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,494.47 : 1,148,845.98 = 450,521.28 : x
  2. Step 2: Convert to fraction form
    832,494.47/1,148,845.98 = 450,521.28/x
  3. Step 3: Cross multiply
    832,494.47x = 1,148,845.98 × 450,521.28
  4. Step 4: Simplify right side
    832,494.47x = 517,579,561,432.45
  5. Step 5: Solve for x
    x = 517,579,561,432.45/832,494.47
  6. Step 6: Final answer
    x = 621,721.32

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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.