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Finding the Fourth Proportional to 615,348.04, 849,152.82 and 343,401.16

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Solution

The fourth proportional to 615,348.04, 849,152.82 and 343,401.16 is: 473,878.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,348.04 : 849,152.82 = 343,401.16 : x
  2. Step 2: Convert to fraction form
    615,348.04/849,152.82 = 343,401.16/x
  3. Step 3: Cross multiply
    615,348.04x = 849,152.82 × 343,401.16
  4. Step 4: Simplify right side
    615,348.04x = 291,600,063,405.27
  5. Step 5: Solve for x
    x = 291,600,063,405.27/615,348.04
  6. Step 6: Final answer
    x = 473,878.27

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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.