Home / 790,461.55-1,090,839.59-427,885.30

Finding the Fourth Proportional to 790,461.55, 1,090,839.59 and 427,885.30

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Solution

The fourth proportional to 790,461.55, 1,090,839.59 and 427,885.30 is: 590,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,461.55 : 1,090,839.59 = 427,885.30 : x
  2. Step 2: Convert to fraction form
    790,461.55/1,090,839.59 = 427,885.30/x
  3. Step 3: Cross multiply
    790,461.55x = 1,090,839.59 × 427,885.30
  4. Step 4: Simplify right side
    790,461.55x = 466,754,225,219.03
  5. Step 5: Solve for x
    x = 466,754,225,219.03/790,461.55
  6. Step 6: Final answer
    x = 590,483.15

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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.