Home / 928,584.90-1,393,271.37-507,368.70

Finding the Fourth Proportional to 928,584.90, 1,393,271.37 and 507,368.70

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Solution

The fourth proportional to 928,584.90, 1,393,271.37 and 507,368.70 is: 761,268.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,584.90 : 1,393,271.37 = 507,368.70 : x
  2. Step 2: Convert to fraction form
    928,584.90/1,393,271.37 = 507,368.70/x
  3. Step 3: Cross multiply
    928,584.90x = 1,393,271.37 × 507,368.70
  4. Step 4: Simplify right side
    928,584.90x = 706,902,283,744.12
  5. Step 5: Solve for x
    x = 706,902,283,744.12/928,584.90
  6. Step 6: Final answer
    x = 761,268.34

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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.