Home / 1,018,729.66-1,528,315-308,811.23

Finding the Fourth Proportional to 1,018,729.66, 1,528,315 and 308,811.23

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Solution

The fourth proportional to 1,018,729.66, 1,528,315 and 308,811.23 is: 463,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,729.66 : 1,528,315 = 308,811.23 : x
  2. Step 2: Convert to fraction form
    1,018,729.66/1,528,315 = 308,811.23/x
  3. Step 3: Cross multiply
    1,018,729.66x = 1,528,315 × 308,811.23
  4. Step 4: Simplify right side
    1,018,729.66x = 471,960,834,977.45
  5. Step 5: Solve for x
    x = 471,960,834,977.45/1,018,729.66
  6. Step 6: Final answer
    x = 463,283.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.