Home / 856,902.78-1,182,526.80-474,929.87

Finding the Fourth Proportional to 856,902.78, 1,182,526.80 and 474,929.87

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Solution

The fourth proportional to 856,902.78, 1,182,526.80 and 474,929.87 is: 655,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,902.78 : 1,182,526.80 = 474,929.87 : x
  2. Step 2: Convert to fraction form
    856,902.78/1,182,526.80 = 474,929.87/x
  3. Step 3: Cross multiply
    856,902.78x = 1,182,526.80 × 474,929.87
  4. Step 4: Simplify right side
    856,902.78x = 561,617,291,701.90
  5. Step 5: Solve for x
    x = 561,617,291,701.90/856,902.78
  6. Step 6: Final answer
    x = 655,403.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.