Home / 893,135.10-1,342,360.01-420,152.61

Finding the Fourth Proportional to 893,135.10, 1,342,360.01 and 420,152.61

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Solution

The fourth proportional to 893,135.10, 1,342,360.01 and 420,152.61 is: 631,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,135.10 : 1,342,360.01 = 420,152.61 : x
  2. Step 2: Convert to fraction form
    893,135.10/1,342,360.01 = 420,152.61/x
  3. Step 3: Cross multiply
    893,135.10x = 1,342,360.01 × 420,152.61
  4. Step 4: Simplify right side
    893,135.10x = 563,996,062,811.51
  5. Step 5: Solve for x
    x = 563,996,062,811.51/893,135.10
  6. Step 6: Final answer
    x = 631,479.00

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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.