Home / 612,434.17-845,206.44-367,428.11

Finding the Fourth Proportional to 612,434.17, 845,206.44 and 367,428.11

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Solution

The fourth proportional to 612,434.17, 845,206.44 and 367,428.11 is: 507,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,434.17 : 845,206.44 = 367,428.11 : x
  2. Step 2: Convert to fraction form
    612,434.17/845,206.44 = 367,428.11/x
  3. Step 3: Cross multiply
    612,434.17x = 845,206.44 × 367,428.11
  4. Step 4: Simplify right side
    612,434.17x = 310,552,604,809.03
  5. Step 5: Solve for x
    x = 310,552,604,809.03/612,434.17
  6. Step 6: Final answer
    x = 507,079.16

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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.