Home / 629,038.20-943,557.30-488,897.40

Finding the Fourth Proportional to 629,038.20, 943,557.30 and 488,897.40

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Solution

The fourth proportional to 629,038.20, 943,557.30 and 488,897.40 is: 733,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,038.20 : 943,557.30 = 488,897.40 : x
  2. Step 2: Convert to fraction form
    629,038.20/943,557.30 = 488,897.40/x
  3. Step 3: Cross multiply
    629,038.20x = 943,557.30 × 488,897.40
  4. Step 4: Simplify right side
    629,038.20x = 461,302,710,721.02
  5. Step 5: Solve for x
    x = 461,302,710,721.02/629,038.20
  6. Step 6: Final answer
    x = 733,346.10

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Double scale
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Similar ratio
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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.