Home / 852,108.64-1,175,980.20-489,602.46

Finding the Fourth Proportional to 852,108.64, 1,175,980.20 and 489,602.46

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Solution

The fourth proportional to 852,108.64, 1,175,980.20 and 489,602.46 is: 675,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,108.64 : 1,175,980.20 = 489,602.46 : x
  2. Step 2: Convert to fraction form
    852,108.64/1,175,980.20 = 489,602.46/x
  3. Step 3: Cross multiply
    852,108.64x = 1,175,980.20 × 489,602.46
  4. Step 4: Simplify right side
    852,108.64x = 575,762,798,831.29
  5. Step 5: Solve for x
    x = 575,762,798,831.29/852,108.64
  6. Step 6: Final answer
    x = 675,691.77

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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.