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Finding the Fourth Proportional to 615,541.26, 849,831.15 and 472,025.10

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Solution

The fourth proportional to 615,541.26, 849,831.15 and 472,025.10 is: 651,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,541.26 : 849,831.15 = 472,025.10 : x
  2. Step 2: Convert to fraction form
    615,541.26/849,831.15 = 472,025.10/x
  3. Step 3: Cross multiply
    615,541.26x = 849,831.15 × 472,025.10
  4. Step 4: Simplify right side
    615,541.26x = 401,141,633,561.87
  5. Step 5: Solve for x
    x = 401,141,633,561.87/615,541.26
  6. Step 6: Final answer
    x = 651,689.27

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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.