Home / 740,975.87-1,022,547.69-401,444.12

Finding the Fourth Proportional to 740,975.87, 1,022,547.69 and 401,444.12

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Solution

The fourth proportional to 740,975.87, 1,022,547.69 and 401,444.12 is: 553,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,975.87 : 1,022,547.69 = 401,444.12 : x
  2. Step 2: Convert to fraction form
    740,975.87/1,022,547.69 = 401,444.12/x
  3. Step 3: Cross multiply
    740,975.87x = 1,022,547.69 × 401,444.12
  4. Step 4: Simplify right side
    740,975.87x = 410,495,760,126.45
  5. Step 5: Solve for x
    x = 410,495,760,126.45/740,975.87
  6. Step 6: Final answer
    x = 553,993.42

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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.