Home / 698,177.80-1,047,266.70-432,457.30

Finding the Fourth Proportional to 698,177.80, 1,047,266.70 and 432,457.30

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Solution

The fourth proportional to 698,177.80, 1,047,266.70 and 432,457.30 is: 648,685.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,177.80 : 1,047,266.70 = 432,457.30 : x
  2. Step 2: Convert to fraction form
    698,177.80/1,047,266.70 = 432,457.30/x
  3. Step 3: Cross multiply
    698,177.80x = 1,047,266.70 × 432,457.30
  4. Step 4: Simplify right side
    698,177.80x = 452,898,129,461.91
  5. Step 5: Solve for x
    x = 452,898,129,461.91/698,177.80
  6. Step 6: Final answer
    x = 648,685.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.