Home / 740,973.07-1,022,547.81-401,441.32

Finding the Fourth Proportional to 740,973.07, 1,022,547.81 and 401,441.32

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Solution

The fourth proportional to 740,973.07, 1,022,547.81 and 401,441.32 is: 553,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,973.07 : 1,022,547.81 = 401,441.32 : x
  2. Step 2: Convert to fraction form
    740,973.07/1,022,547.81 = 401,441.32/x
  3. Step 3: Cross multiply
    740,973.07x = 1,022,547.81 × 401,441.32
  4. Step 4: Simplify right side
    740,973.07x = 410,492,942,609.51
  5. Step 5: Solve for x
    x = 410,492,942,609.51/740,973.07
  6. Step 6: Final answer
    x = 553,991.72

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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.