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Finding the Fourth Proportional to 615,503.88, 849,392.11 and 357,444.29

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Solution

The fourth proportional to 615,503.88, 849,392.11 and 357,444.29 is: 493,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,503.88 : 849,392.11 = 357,444.29 : x
  2. Step 2: Convert to fraction form
    615,503.88/849,392.11 = 357,444.29/x
  3. Step 3: Cross multiply
    615,503.88x = 849,392.11 × 357,444.29
  4. Step 4: Simplify right side
    615,503.88x = 303,610,355,443.59
  5. Step 5: Solve for x
    x = 303,610,355,443.59/615,503.88
  6. Step 6: Final answer
    x = 493,271.23

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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.