Home / 621,017.04-931,289.13-407,727.93

Finding the Fourth Proportional to 621,017.04, 931,289.13 and 407,727.93

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Solution

The fourth proportional to 621,017.04, 931,289.13 and 407,727.93 is: 611,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,017.04 : 931,289.13 = 407,727.93 : x
  2. Step 2: Convert to fraction form
    621,017.04/931,289.13 = 407,727.93/x
  3. Step 3: Cross multiply
    621,017.04x = 931,289.13 × 407,727.93
  4. Step 4: Simplify right side
    621,017.04x = 379,712,589,206.40
  5. Step 5: Solve for x
    x = 379,712,589,206.40/621,017.04
  6. Step 6: Final answer
    x = 611,436.67

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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.