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Finding the Fourth Proportional to 615,946.08, 849,767.04 and 361,204.32

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Solution

The fourth proportional to 615,946.08, 849,767.04 and 361,204.32 is: 498,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,946.08 : 849,767.04 = 361,204.32 : x
  2. Step 2: Convert to fraction form
    615,946.08/849,767.04 = 361,204.32/x
  3. Step 3: Cross multiply
    615,946.08x = 849,767.04 × 361,204.32
  4. Step 4: Simplify right side
    615,946.08x = 306,939,525,841.61
  5. Step 5: Solve for x
    x = 306,939,525,841.61/615,946.08
  6. Step 6: Final answer
    x = 498,322.07

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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.