Home / 790,653.61-1,091,100.53-428,077.41

Finding the Fourth Proportional to 790,653.61, 1,091,100.53 and 428,077.41

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Solution

The fourth proportional to 790,653.61, 1,091,100.53 and 428,077.41 is: 590,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,653.61 : 1,091,100.53 = 428,077.41 : x
  2. Step 2: Convert to fraction form
    790,653.61/1,091,100.53 = 428,077.41/x
  3. Step 3: Cross multiply
    790,653.61x = 1,091,100.53 × 428,077.41
  4. Step 4: Simplify right side
    790,653.61x = 467,075,483,502.66
  5. Step 5: Solve for x
    x = 467,075,483,502.66/790,653.61
  6. Step 6: Final answer
    x = 590,746.04

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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.