Home / 848,126.40-1,272,772.80-349,490.40

Finding the Fourth Proportional to 848,126.40, 1,272,772.80 and 349,490.40

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Solution

The fourth proportional to 848,126.40, 1,272,772.80 and 349,490.40 is: 524,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,126.40 : 1,272,772.80 = 349,490.40 : x
  2. Step 2: Convert to fraction form
    848,126.40/1,272,772.80 = 349,490.40/x
  3. Step 3: Cross multiply
    848,126.40x = 1,272,772.80 × 349,490.40
  4. Step 4: Simplify right side
    848,126.40x = 444,821,874,981.12
  5. Step 5: Solve for x
    x = 444,821,874,981.12/848,126.40
  6. Step 6: Final answer
    x = 524,475.92

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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.