Home / 829,590.20-1,243,463.70-455,881.40

Finding the Fourth Proportional to 829,590.20, 1,243,463.70 and 455,881.40

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Solution

The fourth proportional to 829,590.20, 1,243,463.70 and 455,881.40 is: 683,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,590.20 : 1,243,463.70 = 455,881.40 : x
  2. Step 2: Convert to fraction form
    829,590.20/1,243,463.70 = 455,881.40/x
  3. Step 3: Cross multiply
    829,590.20x = 1,243,463.70 × 455,881.40
  4. Step 4: Simplify right side
    829,590.20x = 566,871,972,405.18
  5. Step 5: Solve for x
    x = 566,871,972,405.18/829,590.20
  6. Step 6: Final answer
    x = 683,315.66

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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.