Home / 688,029.13-949,503.80-382,110.35

Finding the Fourth Proportional to 688,029.13, 949,503.80 and 382,110.35

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Solution

The fourth proportional to 688,029.13, 949,503.80 and 382,110.35 is: 527,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,029.13 : 949,503.80 = 382,110.35 : x
  2. Step 2: Convert to fraction form
    688,029.13/949,503.80 = 382,110.35/x
  3. Step 3: Cross multiply
    688,029.13x = 949,503.80 × 382,110.35
  4. Step 4: Simplify right side
    688,029.13x = 362,815,229,807.54
  5. Step 5: Solve for x
    x = 362,815,229,807.54/688,029.13
  6. Step 6: Final answer
    x = 527,325.39

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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.