Home / 682,711.20-1,024,066.80-458,762.40

Finding the Fourth Proportional to 682,711.20, 1,024,066.80 and 458,762.40

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Solution

The fourth proportional to 682,711.20, 1,024,066.80 and 458,762.40 is: 688,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,711.20 : 1,024,066.80 = 458,762.40 : x
  2. Step 2: Convert to fraction form
    682,711.20/1,024,066.80 = 458,762.40/x
  3. Step 3: Cross multiply
    682,711.20x = 1,024,066.80 × 458,762.40
  4. Step 4: Simplify right side
    682,711.20x = 469,803,342,928.32
  5. Step 5: Solve for x
    x = 469,803,342,928.32/682,711.20
  6. Step 6: Final answer
    x = 688,143.60

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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.