Home / 684,461.58-943,568.91-469,260.78

Finding the Fourth Proportional to 684,461.58, 943,568.91 and 469,260.78

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Solution

The fourth proportional to 684,461.58, 943,568.91 and 469,260.78 is: 646,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,461.58 : 943,568.91 = 469,260.78 : x
  2. Step 2: Convert to fraction form
    684,461.58/943,568.91 = 469,260.78/x
  3. Step 3: Cross multiply
    684,461.58x = 943,568.91 × 469,260.78
  4. Step 4: Simplify right side
    684,461.58x = 442,779,882,690.35
  5. Step 5: Solve for x
    x = 442,779,882,690.35/684,461.58
  6. Step 6: Final answer
    x = 646,902.46

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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.