Home / 708,336.03-977,475.26-386,039.20

Finding the Fourth Proportional to 708,336.03, 977,475.26 and 386,039.20

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Solution

The fourth proportional to 708,336.03, 977,475.26 and 386,039.20 is: 532,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,336.03 : 977,475.26 = 386,039.20 : x
  2. Step 2: Convert to fraction form
    708,336.03/977,475.26 = 386,039.20/x
  3. Step 3: Cross multiply
    708,336.03x = 977,475.26 × 386,039.20
  4. Step 4: Simplify right side
    708,336.03x = 377,343,767,390.19
  5. Step 5: Solve for x
    x = 377,343,767,390.19/708,336.03
  6. Step 6: Final answer
    x = 532,718.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.