Home / 923,521.80-1,385,282.70-503,617.80

Finding the Fourth Proportional to 923,521.80, 1,385,282.70 and 503,617.80

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Solution

The fourth proportional to 923,521.80, 1,385,282.70 and 503,617.80 is: 755,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,521.80 : 1,385,282.70 = 503,617.80 : x
  2. Step 2: Convert to fraction form
    923,521.80/1,385,282.70 = 503,617.80/x
  3. Step 3: Cross multiply
    923,521.80x = 1,385,282.70 × 503,617.80
  4. Step 4: Simplify right side
    923,521.80x = 697,653,025,752.06
  5. Step 5: Solve for x
    x = 697,653,025,752.06/923,521.80
  6. Step 6: Final answer
    x = 755,426.70

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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.