Home / 847,827.96-1,170,002.31-465,879.35

Finding the Fourth Proportional to 847,827.96, 1,170,002.31 and 465,879.35

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Solution

The fourth proportional to 847,827.96, 1,170,002.31 and 465,879.35 is: 642,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,827.96 : 1,170,002.31 = 465,879.35 : x
  2. Step 2: Convert to fraction form
    847,827.96/1,170,002.31 = 465,879.35/x
  3. Step 3: Cross multiply
    847,827.96x = 1,170,002.31 × 465,879.35
  4. Step 4: Simplify right side
    847,827.96x = 545,079,909,831.29
  5. Step 5: Solve for x
    x = 545,079,909,831.29/847,827.96
  6. Step 6: Final answer
    x = 642,913.35

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Double scale
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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.