Home / 776,457.86-1,164,686.43-215,492.18

Finding the Fourth Proportional to 776,457.86, 1,164,686.43 and 215,492.18

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Solution

The fourth proportional to 776,457.86, 1,164,686.43 and 215,492.18 is: 323,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,457.86 : 1,164,686.43 = 215,492.18 : x
  2. Step 2: Convert to fraction form
    776,457.86/1,164,686.43 = 215,492.18/x
  3. Step 3: Cross multiply
    776,457.86x = 1,164,686.43 × 215,492.18
  4. Step 4: Simplify right side
    776,457.86x = 250,980,817,817.12
  5. Step 5: Solve for x
    x = 250,980,817,817.12/776,457.86
  6. Step 6: Final answer
    x = 323,238.17

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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.