Home / 688,248.21-949,934.33-382,429.67

Finding the Fourth Proportional to 688,248.21, 949,934.33 and 382,429.67

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Solution

The fourth proportional to 688,248.21, 949,934.33 and 382,429.67 is: 527,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,248.21 : 949,934.33 = 382,429.67 : x
  2. Step 2: Convert to fraction form
    688,248.21/949,934.33 = 382,429.67/x
  3. Step 3: Cross multiply
    688,248.21x = 949,934.33 × 382,429.67
  4. Step 4: Simplify right side
    688,248.21x = 363,283,065,681.75
  5. Step 5: Solve for x
    x = 363,283,065,681.75/688,248.21
  6. Step 6: Final answer
    x = 527,837.28

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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.