Home / 847,637.46-1,169,740.13-465,688.85

Finding the Fourth Proportional to 847,637.46, 1,169,740.13 and 465,688.85

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Solution

The fourth proportional to 847,637.46, 1,169,740.13 and 465,688.85 is: 642,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,637.46 : 1,169,740.13 = 465,688.85 : x
  2. Step 2: Convert to fraction form
    847,637.46/1,169,740.13 = 465,688.85/x
  3. Step 3: Cross multiply
    847,637.46x = 1,169,740.13 × 465,688.85
  4. Step 4: Simplify right side
    847,637.46x = 544,734,927,761.41
  5. Step 5: Solve for x
    x = 544,734,927,761.41/847,637.46
  6. Step 6: Final answer
    x = 642,650.84

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1.5x scale

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.