Home / 682,920.40-1,025,302.20-434,088.40

Finding the Fourth Proportional to 682,920.40, 1,025,302.20 and 434,088.40

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Solution

The fourth proportional to 682,920.40, 1,025,302.20 and 434,088.40 is: 651,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,920.40 : 1,025,302.20 = 434,088.40 : x
  2. Step 2: Convert to fraction form
    682,920.40/1,025,302.20 = 434,088.40/x
  3. Step 3: Cross multiply
    682,920.40x = 1,025,302.20 × 434,088.40
  4. Step 4: Simplify right side
    682,920.40x = 445,071,791,514.48
  5. Step 5: Solve for x
    x = 445,071,791,514.48/682,920.40
  6. Step 6: Final answer
    x = 651,718.40

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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.