Home / 878,038.12-1,318,857.18-578,950.12

Finding the Fourth Proportional to 878,038.12, 1,318,857.18 and 578,950.12

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Solution

The fourth proportional to 878,038.12, 1,318,857.18 and 578,950.12 is: 869,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,038.12 : 1,318,857.18 = 578,950.12 : x
  2. Step 2: Convert to fraction form
    878,038.12/1,318,857.18 = 578,950.12/x
  3. Step 3: Cross multiply
    878,038.12x = 1,318,857.18 × 578,950.12
  4. Step 4: Simplify right side
    878,038.12x = 763,552,522,623.86
  5. Step 5: Solve for x
    x = 763,552,522,623.86/878,038.12
  6. Step 6: Final answer
    x = 869,612.04

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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.