Home / 766,083.54-1,146,325.95-450,688.98

Finding the Fourth Proportional to 766,083.54, 1,146,325.95 and 450,688.98

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Solution

The fourth proportional to 766,083.54, 1,146,325.95 and 450,688.98 is: 674,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,083.54 : 1,146,325.95 = 450,688.98 : x
  2. Step 2: Convert to fraction form
    766,083.54/1,146,325.95 = 450,688.98/x
  3. Step 3: Cross multiply
    766,083.54x = 1,146,325.95 × 450,688.98
  4. Step 4: Simplify right side
    766,083.54x = 516,636,473,153.03
  5. Step 5: Solve for x
    x = 516,636,473,153.03/766,083.54
  6. Step 6: Final answer
    x = 674,386.60

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1.5x scale

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.