Home / 945,457-1,417,390.02-439,761.04

Finding the Fourth Proportional to 945,457, 1,417,390.02 and 439,761.04

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Solution

The fourth proportional to 945,457, 1,417,390.02 and 439,761.04 is: 659,271.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,457 : 1,417,390.02 = 439,761.04 : x
  2. Step 2: Convert to fraction form
    945,457/1,417,390.02 = 439,761.04/x
  3. Step 3: Cross multiply
    945,457x = 1,417,390.02 × 439,761.04
  4. Step 4: Simplify right side
    945,457x = 623,312,909,280.82
  5. Step 5: Solve for x
    x = 623,312,909,280.82/945,457
  6. Step 6: Final answer
    x = 659,271.56

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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.