Home / 923,925.84-1,388,349.04-497,788.90

Finding the Fourth Proportional to 923,925.84, 1,388,349.04 and 497,788.90

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Solution

The fourth proportional to 923,925.84, 1,388,349.04 and 497,788.90 is: 748,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,925.84 : 1,388,349.04 = 497,788.90 : x
  2. Step 2: Convert to fraction form
    923,925.84/1,388,349.04 = 497,788.90/x
  3. Step 3: Cross multiply
    923,925.84x = 1,388,349.04 × 497,788.90
  4. Step 4: Simplify right side
    923,925.84x = 691,104,741,437.66
  5. Step 5: Solve for x
    x = 691,104,741,437.66/923,925.84
  6. Step 6: Final answer
    x = 748,008.89

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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.