Home / 900,530.02-1,242,763.46-492,607.54

Finding the Fourth Proportional to 900,530.02, 1,242,763.46 and 492,607.54

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Solution

The fourth proportional to 900,530.02, 1,242,763.46 and 492,607.54 is: 679,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,530.02 : 1,242,763.46 = 492,607.54 : x
  2. Step 2: Convert to fraction form
    900,530.02/1,242,763.46 = 492,607.54/x
  3. Step 3: Cross multiply
    900,530.02x = 1,242,763.46 × 492,607.54
  4. Step 4: Simplify right side
    900,530.02x = 612,194,650,832.49
  5. Step 5: Solve for x
    x = 612,194,650,832.49/900,530.02
  6. Step 6: Final answer
    x = 679,815.93

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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.