Home / 668,526.48-1,003,095.90-289,563.12

Finding the Fourth Proportional to 668,526.48, 1,003,095.90 and 289,563.12

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Solution

The fourth proportional to 668,526.48, 1,003,095.90 and 289,563.12 is: 434,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,526.48 : 1,003,095.90 = 289,563.12 : x
  2. Step 2: Convert to fraction form
    668,526.48/1,003,095.90 = 289,563.12/x
  3. Step 3: Cross multiply
    668,526.48x = 1,003,095.90 × 289,563.12
  4. Step 4: Simplify right side
    668,526.48x = 290,459,578,463.21
  5. Step 5: Solve for x
    x = 290,459,578,463.21/668,526.48
  6. Step 6: Final answer
    x = 434,477.30

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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.