Home / 839,264.50-1,258,000.42-478,659.02

Finding the Fourth Proportional to 839,264.50, 1,258,000.42 and 478,659.02

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Solution

The fourth proportional to 839,264.50, 1,258,000.42 and 478,659.02 is: 717,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,264.50 : 1,258,000.42 = 478,659.02 : x
  2. Step 2: Convert to fraction form
    839,264.50/1,258,000.42 = 478,659.02/x
  3. Step 3: Cross multiply
    839,264.50x = 1,258,000.42 × 478,659.02
  4. Step 4: Simplify right side
    839,264.50x = 602,153,248,196.79
  5. Step 5: Solve for x
    x = 602,153,248,196.79/839,264.50
  6. Step 6: Final answer
    x = 717,477.32

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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.