Home / 673,889.65-1,011,075.14-289,477.01

Finding the Fourth Proportional to 673,889.65, 1,011,075.14 and 289,477.01

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Solution

The fourth proportional to 673,889.65, 1,011,075.14 and 289,477.01 is: 434,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,889.65 : 1,011,075.14 = 289,477.01 : x
  2. Step 2: Convert to fraction form
    673,889.65/1,011,075.14 = 289,477.01/x
  3. Step 3: Cross multiply
    673,889.65x = 1,011,075.14 × 289,477.01
  4. Step 4: Simplify right side
    673,889.65x = 292,683,011,663.91
  5. Step 5: Solve for x
    x = 292,683,011,663.91/673,889.65
  6. Step 6: Final answer
    x = 434,318.90

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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.