Home / 790,515.02-1,090,904.28-427,931.48

Finding the Fourth Proportional to 790,515.02, 1,090,904.28 and 427,931.48

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Solution

The fourth proportional to 790,515.02, 1,090,904.28 and 427,931.48 is: 590,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,515.02 : 1,090,904.28 = 427,931.48 : x
  2. Step 2: Convert to fraction form
    790,515.02/1,090,904.28 = 427,931.48/x
  3. Step 3: Cross multiply
    790,515.02x = 1,090,904.28 × 427,931.48
  4. Step 4: Simplify right side
    790,515.02x = 466,832,283,078.73
  5. Step 5: Solve for x
    x = 466,832,283,078.73/790,515.02
  6. Step 6: Final answer
    x = 590,541.95

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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.