Home / 770,448.08-1,062,565.95-464,457.39

Finding the Fourth Proportional to 770,448.08, 1,062,565.95 and 464,457.39

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Solution

The fourth proportional to 770,448.08, 1,062,565.95 and 464,457.39 is: 640,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,448.08 : 1,062,565.95 = 464,457.39 : x
  2. Step 2: Convert to fraction form
    770,448.08/1,062,565.95 = 464,457.39/x
  3. Step 3: Cross multiply
    770,448.08x = 1,062,565.95 × 464,457.39
  4. Step 4: Simplify right side
    770,448.08x = 493,516,607,839.87
  5. Step 5: Solve for x
    x = 493,516,607,839.87/770,448.08
  6. Step 6: Final answer
    x = 640,557.91

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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.