Home / 839,627.28-1,258,818.84-507,125.52

Finding the Fourth Proportional to 839,627.28, 1,258,818.84 and 507,125.52

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Solution

The fourth proportional to 839,627.28, 1,258,818.84 and 507,125.52 is: 760,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,627.28 : 1,258,818.84 = 507,125.52 : x
  2. Step 2: Convert to fraction form
    839,627.28/1,258,818.84 = 507,125.52/x
  3. Step 3: Cross multiply
    839,627.28x = 1,258,818.84 × 507,125.52
  4. Step 4: Simplify right side
    839,627.28x = 638,379,158,820.80
  5. Step 5: Solve for x
    x = 638,379,158,820.80/839,627.28
  6. Step 6: Final answer
    x = 760,312.55

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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.