Home / 708,880.28-977,968.98-410,317.72

Finding the Fourth Proportional to 708,880.28, 977,968.98 and 410,317.72

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Solution

The fourth proportional to 708,880.28, 977,968.98 and 410,317.72 is: 566,073.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,880.28 : 977,968.98 = 410,317.72 : x
  2. Step 2: Convert to fraction form
    708,880.28/977,968.98 = 410,317.72/x
  3. Step 3: Cross multiply
    708,880.28x = 977,968.98 × 410,317.72
  4. Step 4: Simplify right side
    708,880.28x = 401,277,999,659.40
  5. Step 5: Solve for x
    x = 401,277,999,659.40/708,880.28
  6. Step 6: Final answer
    x = 566,073.02

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1.5x scale

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.