Home / 871,639.37-1,306,710.13-302,946.59

Finding the Fourth Proportional to 871,639.37, 1,306,710.13 and 302,946.59

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Solution

The fourth proportional to 871,639.37, 1,306,710.13 and 302,946.59 is: 454,159.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,639.37 : 1,306,710.13 = 302,946.59 : x
  2. Step 2: Convert to fraction form
    871,639.37/1,306,710.13 = 302,946.59/x
  3. Step 3: Cross multiply
    871,639.37x = 1,306,710.13 × 302,946.59
  4. Step 4: Simplify right side
    871,639.37x = 395,863,378,001.96
  5. Step 5: Solve for x
    x = 395,863,378,001.96/871,639.37
  6. Step 6: Final answer
    x = 454,159.59

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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.