Home / 790,348.95-1,090,681.47-427,772.75

Finding the Fourth Proportional to 790,348.95, 1,090,681.47 and 427,772.75

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Solution

The fourth proportional to 790,348.95, 1,090,681.47 and 427,772.75 is: 590,326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,348.95 : 1,090,681.47 = 427,772.75 : x
  2. Step 2: Convert to fraction form
    790,348.95/1,090,681.47 = 427,772.75/x
  3. Step 3: Cross multiply
    790,348.95x = 1,090,681.47 × 427,772.75
  4. Step 4: Simplify right side
    790,348.95x = 466,563,806,342.54
  5. Step 5: Solve for x
    x = 466,563,806,342.54/790,348.95
  6. Step 6: Final answer
    x = 590,326.34

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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.