Home / 712,647.60-1,069,576.20-292,225.20

Finding the Fourth Proportional to 712,647.60, 1,069,576.20 and 292,225.20

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Solution

The fourth proportional to 712,647.60, 1,069,576.20 and 292,225.20 is: 438,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,647.60 : 1,069,576.20 = 292,225.20 : x
  2. Step 2: Convert to fraction form
    712,647.60/1,069,576.20 = 292,225.20/x
  3. Step 3: Cross multiply
    712,647.60x = 1,069,576.20 × 292,225.20
  4. Step 4: Simplify right side
    712,647.60x = 312,557,118,960.24
  5. Step 5: Solve for x
    x = 312,557,118,960.24/712,647.60
  6. Step 6: Final answer
    x = 438,585.80

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1.5x scale

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.