Home / 525,973.68-789,159.36-315,758.16

Finding the Fourth Proportional to 525,973.68, 789,159.36 and 315,758.16

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Solution

The fourth proportional to 525,973.68, 789,159.36 and 315,758.16 is: 473,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,973.68 : 789,159.36 = 315,758.16 : x
  2. Step 2: Convert to fraction form
    525,973.68/789,159.36 = 315,758.16/x
  3. Step 3: Cross multiply
    525,973.68x = 789,159.36 × 315,758.16
  4. Step 4: Simplify right side
    525,973.68x = 249,183,507,460.38
  5. Step 5: Solve for x
    x = 249,183,507,460.38/525,973.68
  6. Step 6: Final answer
    x = 473,756.61

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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.