Home / 810,437.80-1,214,052.90-710,710.60

Finding the Fourth Proportional to 810,437.80, 1,214,052.90 and 710,710.60

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Solution

The fourth proportional to 810,437.80, 1,214,052.90 and 710,710.60 is: 1,064,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,437.80 : 1,214,052.90 = 710,710.60 : x
  2. Step 2: Convert to fraction form
    810,437.80/1,214,052.90 = 710,710.60/x
  3. Step 3: Cross multiply
    810,437.80x = 1,214,052.90 × 710,710.60
  4. Step 4: Simplify right side
    810,437.80x = 862,840,264,990.74
  5. Step 5: Solve for x
    x = 862,840,264,990.74/810,437.80
  6. Step 6: Final answer
    x = 1,064,659.45

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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.