Home / 926,377.47-1,389,699.02-286,737.38

Finding the Fourth Proportional to 926,377.47, 1,389,699.02 and 286,737.38

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Solution

The fourth proportional to 926,377.47, 1,389,699.02 and 286,737.38 is: 430,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,377.47 : 1,389,699.02 = 286,737.38 : x
  2. Step 2: Convert to fraction form
    926,377.47/1,389,699.02 = 286,737.38/x
  3. Step 3: Cross multiply
    926,377.47x = 1,389,699.02 × 286,737.38
  4. Step 4: Simplify right side
    926,377.47x = 398,478,647,601.19
  5. Step 5: Solve for x
    x = 398,478,647,601.19/926,377.47
  6. Step 6: Final answer
    x = 430,147.17

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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.