Home / 948,953.40-1,421,702.10-449,215.80

Finding the Fourth Proportional to 948,953.40, 1,421,702.10 and 449,215.80

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Solution

The fourth proportional to 948,953.40, 1,421,702.10 and 449,215.80 is: 673,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,953.40 : 1,421,702.10 = 449,215.80 : x
  2. Step 2: Convert to fraction form
    948,953.40/1,421,702.10 = 449,215.80/x
  3. Step 3: Cross multiply
    948,953.40x = 1,421,702.10 × 449,215.80
  4. Step 4: Simplify right side
    948,953.40x = 638,651,046,213.18
  5. Step 5: Solve for x
    x = 638,651,046,213.18/948,953.40
  6. Step 6: Final answer
    x = 673,005.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.