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Finding the Fourth Proportional to 624,699, 862,018.47 and 352,750.41

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Solution

The fourth proportional to 624,699, 862,018.47 and 352,750.41 is: 486,758.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,699 : 862,018.47 = 352,750.41 : x
  2. Step 2: Convert to fraction form
    624,699/862,018.47 = 352,750.41/x
  3. Step 3: Cross multiply
    624,699x = 862,018.47 × 352,750.41
  4. Step 4: Simplify right side
    624,699x = 304,077,368,720.07
  5. Step 5: Solve for x
    x = 304,077,368,720.07/624,699
  6. Step 6: Final answer
    x = 486,758.21

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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.