Home / 558,574.85-837,206.17-258,421.40

Finding the Fourth Proportional to 558,574.85, 837,206.17 and 258,421.40

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Solution

The fourth proportional to 558,574.85, 837,206.17 and 258,421.40 is: 387,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,574.85 : 837,206.17 = 258,421.40 : x
  2. Step 2: Convert to fraction form
    558,574.85/837,206.17 = 258,421.40/x
  3. Step 3: Cross multiply
    558,574.85x = 837,206.17 × 258,421.40
  4. Step 4: Simplify right side
    558,574.85x = 216,351,991,987.00
  5. Step 5: Solve for x
    x = 216,351,991,987.00/558,574.85
  6. Step 6: Final answer
    x = 387,328.56

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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.