Home / 923,756.28-1,385,618-292,653.70

Finding the Fourth Proportional to 923,756.28, 1,385,618 and 292,653.70

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Solution

The fourth proportional to 923,756.28, 1,385,618 and 292,653.70 is: 438,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,756.28 : 1,385,618 = 292,653.70 : x
  2. Step 2: Convert to fraction form
    923,756.28/1,385,618 = 292,653.70/x
  3. Step 3: Cross multiply
    923,756.28x = 1,385,618 × 292,653.70
  4. Step 4: Simplify right side
    923,756.28x = 405,506,234,486.60
  5. Step 5: Solve for x
    x = 405,506,234,486.60/923,756.28
  6. Step 6: Final answer
    x = 438,975.35

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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.