Home / 615,320.60-923,089.28-210,417.62

Finding the Fourth Proportional to 615,320.60, 923,089.28 and 210,417.62

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Solution

The fourth proportional to 615,320.60, 923,089.28 and 210,417.62 is: 315,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,320.60 : 923,089.28 = 210,417.62 : x
  2. Step 2: Convert to fraction form
    615,320.60/923,089.28 = 210,417.62/x
  3. Step 3: Cross multiply
    615,320.60x = 923,089.28 × 210,417.62
  4. Step 4: Simplify right side
    615,320.60x = 194,234,243,677.58
  5. Step 5: Solve for x
    x = 194,234,243,677.58/615,320.60
  6. Step 6: Final answer
    x = 315,663.49

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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.