Home / 785,161.16-1,083,522.58-427,465.16

Finding the Fourth Proportional to 785,161.16, 1,083,522.58 and 427,465.16

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Solution

The fourth proportional to 785,161.16, 1,083,522.58 and 427,465.16 is: 589,902.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,161.16 : 1,083,522.58 = 427,465.16 : x
  2. Step 2: Convert to fraction form
    785,161.16/1,083,522.58 = 427,465.16/x
  3. Step 3: Cross multiply
    785,161.16x = 1,083,522.58 × 427,465.16
  4. Step 4: Simplify right side
    785,161.16x = 463,168,153,023.31
  5. Step 5: Solve for x
    x = 463,168,153,023.31/785,161.16
  6. Step 6: Final answer
    x = 589,902.02

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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.