Home / 698,754.48-1,047,254.76-298,925.36

Finding the Fourth Proportional to 698,754.48, 1,047,254.76 and 298,925.36

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Solution

The fourth proportional to 698,754.48, 1,047,254.76 and 298,925.36 is: 448,012.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,754.48 : 1,047,254.76 = 298,925.36 : x
  2. Step 2: Convert to fraction form
    698,754.48/1,047,254.76 = 298,925.36/x
  3. Step 3: Cross multiply
    698,754.48x = 1,047,254.76 × 298,925.36
  4. Step 4: Simplify right side
    698,754.48x = 313,051,006,144.71
  5. Step 5: Solve for x
    x = 313,051,006,144.71/698,754.48
  6. Step 6: Final answer
    x = 448,012.88

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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.