Home / 711,280.95-1,067,482.32-312,197.19

Finding the Fourth Proportional to 711,280.95, 1,067,482.32 and 312,197.19

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Solution

The fourth proportional to 711,280.95, 1,067,482.32 and 312,197.19 is: 468,541.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,280.95 : 1,067,482.32 = 312,197.19 : x
  2. Step 2: Convert to fraction form
    711,280.95/1,067,482.32 = 312,197.19/x
  3. Step 3: Cross multiply
    711,280.95x = 1,067,482.32 × 312,197.19
  4. Step 4: Simplify right side
    711,280.95x = 333,264,980,678.68
  5. Step 5: Solve for x
    x = 333,264,980,678.68/711,280.95
  6. Step 6: Final answer
    x = 468,541.97

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Double scale
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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.