Home / 926,377.40-1,388,602.70-358,148.78

Finding the Fourth Proportional to 926,377.40, 1,388,602.70 and 358,148.78

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Solution

The fourth proportional to 926,377.40, 1,388,602.70 and 358,148.78 is: 536,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,377.40 : 1,388,602.70 = 358,148.78 : x
  2. Step 2: Convert to fraction form
    926,377.40/1,388,602.70 = 358,148.78/x
  3. Step 3: Cross multiply
    926,377.40x = 1,388,602.70 × 358,148.78
  4. Step 4: Simplify right side
    926,377.40x = 497,326,362,069.33
  5. Step 5: Solve for x
    x = 497,326,362,069.33/926,377.40
  6. Step 6: Final answer
    x = 536,850.71

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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.