Home / 785,934.84-1,084,590.02-428,238.84

Finding the Fourth Proportional to 785,934.84, 1,084,590.02 and 428,238.84

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Solution

The fourth proportional to 785,934.84, 1,084,590.02 and 428,238.84 is: 590,969.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,934.84 : 1,084,590.02 = 428,238.84 : x
  2. Step 2: Convert to fraction form
    785,934.84/1,084,590.02 = 428,238.84/x
  3. Step 3: Cross multiply
    785,934.84x = 1,084,590.02 × 428,238.84
  4. Step 4: Simplify right side
    785,934.84x = 464,463,572,040.38
  5. Step 5: Solve for x
    x = 464,463,572,040.38/785,934.84
  6. Step 6: Final answer
    x = 590,969.57

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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.