Home / 684,480.18-1,020,555.32-627,572.04

Finding the Fourth Proportional to 684,480.18, 1,020,555.32 and 627,572.04

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Solution

The fourth proportional to 684,480.18, 1,020,555.32 and 627,572.04 is: 935,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,480.18 : 1,020,555.32 = 627,572.04 : x
  2. Step 2: Convert to fraction form
    684,480.18/1,020,555.32 = 627,572.04/x
  3. Step 3: Cross multiply
    684,480.18x = 1,020,555.32 × 627,572.04
  4. Step 4: Simplify right side
    684,480.18x = 640,471,980,967.39
  5. Step 5: Solve for x
    x = 640,471,980,967.39/684,480.18
  6. Step 6: Final answer
    x = 935,705.66

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1.5x scale

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.