Home / 684,526.03-1,024,687.12-430,617.67

Finding the Fourth Proportional to 684,526.03, 1,024,687.12 and 430,617.67

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Solution

The fourth proportional to 684,526.03, 1,024,687.12 and 430,617.67 is: 644,604.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,526.03 : 1,024,687.12 = 430,617.67 : x
  2. Step 2: Convert to fraction form
    684,526.03/1,024,687.12 = 430,617.67/x
  3. Step 3: Cross multiply
    684,526.03x = 1,024,687.12 × 430,617.67
  4. Step 4: Simplify right side
    684,526.03x = 441,248,376,455.15
  5. Step 5: Solve for x
    x = 441,248,376,455.15/684,526.03
  6. Step 6: Final answer
    x = 644,604.24

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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.