Home / 723,120.90-997,587.54-508,401.24

Finding the Fourth Proportional to 723,120.90, 997,587.54 and 508,401.24

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Solution

The fourth proportional to 723,120.90, 997,587.54 and 508,401.24 is: 701,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,120.90 : 997,587.54 = 508,401.24 : x
  2. Step 2: Convert to fraction form
    723,120.90/997,587.54 = 508,401.24/x
  3. Step 3: Cross multiply
    723,120.90x = 997,587.54 × 508,401.24
  4. Step 4: Simplify right side
    723,120.90x = 507,174,742,344.55
  5. Step 5: Solve for x
    x = 507,174,742,344.55/723,120.90
  6. Step 6: Final answer
    x = 701,369.22

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1.5x scale

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.