Home / 953,145.28-1,315,289.28-523,483.84

Finding the Fourth Proportional to 953,145.28, 1,315,289.28 and 523,483.84

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Solution

The fourth proportional to 953,145.28, 1,315,289.28 and 523,483.84 is: 722,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,145.28 : 1,315,289.28 = 523,483.84 : x
  2. Step 2: Convert to fraction form
    953,145.28/1,315,289.28 = 523,483.84/x
  3. Step 3: Cross multiply
    953,145.28x = 1,315,289.28 × 523,483.84
  4. Step 4: Simplify right side
    953,145.28x = 688,532,683,005.24
  5. Step 5: Solve for x
    x = 688,532,683,005.24/953,145.28
  6. Step 6: Final answer
    x = 722,379.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.