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Finding the Fourth Proportional to 615,352.35, 849,184.43 and 343,417.35

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Solution

The fourth proportional to 615,352.35, 849,184.43 and 343,417.35 is: 473,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,352.35 : 849,184.43 = 343,417.35 : x
  2. Step 2: Convert to fraction form
    615,352.35/849,184.43 = 343,417.35/x
  3. Step 3: Cross multiply
    615,352.35x = 849,184.43 × 343,417.35
  4. Step 4: Simplify right side
    615,352.35x = 291,624,664,894.77
  5. Step 5: Solve for x
    x = 291,624,664,894.77/615,352.35
  6. Step 6: Final answer
    x = 473,914.93

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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.