Home / 682,947.80-1,024,421.70-434,730.20

Finding the Fourth Proportional to 682,947.80, 1,024,421.70 and 434,730.20

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Solution

The fourth proportional to 682,947.80, 1,024,421.70 and 434,730.20 is: 652,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,947.80 : 1,024,421.70 = 434,730.20 : x
  2. Step 2: Convert to fraction form
    682,947.80/1,024,421.70 = 434,730.20/x
  3. Step 3: Cross multiply
    682,947.80x = 1,024,421.70 × 434,730.20
  4. Step 4: Simplify right side
    682,947.80x = 445,347,050,525.34
  5. Step 5: Solve for x
    x = 445,347,050,525.34/682,947.80
  6. Step 6: Final answer
    x = 652,095.30

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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.