Home / 945,306.78-1,417,545.45-346,112.70

Finding the Fourth Proportional to 945,306.78, 1,417,545.45 and 346,112.70

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Solution

The fourth proportional to 945,306.78, 1,417,545.45 and 346,112.70 is: 519,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,306.78 : 1,417,545.45 = 346,112.70 : x
  2. Step 2: Convert to fraction form
    945,306.78/1,417,545.45 = 346,112.70/x
  3. Step 3: Cross multiply
    945,306.78x = 1,417,545.45 × 346,112.70
  4. Step 4: Simplify right side
    945,306.78x = 490,630,483,072.22
  5. Step 5: Solve for x
    x = 490,630,483,072.22/945,306.78
  6. Step 6: Final answer
    x = 519,017.21

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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.