Home / 710,393.40-1,060,407.90-620,711.82

Finding the Fourth Proportional to 710,393.40, 1,060,407.90 and 620,711.82

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Solution

The fourth proportional to 710,393.40, 1,060,407.90 and 620,711.82 is: 926,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,393.40 : 1,060,407.90 = 620,711.82 : x
  2. Step 2: Convert to fraction form
    710,393.40/1,060,407.90 = 620,711.82/x
  3. Step 3: Cross multiply
    710,393.40x = 1,060,407.90 × 620,711.82
  4. Step 4: Simplify right side
    710,393.40x = 658,207,717,551.38
  5. Step 5: Solve for x
    x = 658,207,717,551.38/710,393.40
  6. Step 6: Final answer
    x = 926,539.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.