Home / 710,457.62-1,064,968.20-305,913.65

Finding the Fourth Proportional to 710,457.62, 1,064,968.20 and 305,913.65

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Solution

The fourth proportional to 710,457.62, 1,064,968.20 and 305,913.65 is: 458,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,457.62 : 1,064,968.20 = 305,913.65 : x
  2. Step 2: Convert to fraction form
    710,457.62/1,064,968.20 = 305,913.65/x
  3. Step 3: Cross multiply
    710,457.62x = 1,064,968.20 × 305,913.65
  4. Step 4: Simplify right side
    710,457.62x = 325,788,303,871.09
  5. Step 5: Solve for x
    x = 325,788,303,871.09/710,457.62
  6. Step 6: Final answer
    x = 458,561.21

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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.