Home / 651,354.40-977,809.20-367,271.20

Finding the Fourth Proportional to 651,354.40, 977,809.20 and 367,271.20

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Solution

The fourth proportional to 651,354.40, 977,809.20 and 367,271.20 is: 551,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,354.40 : 977,809.20 = 367,271.20 : x
  2. Step 2: Convert to fraction form
    651,354.40/977,809.20 = 367,271.20/x
  3. Step 3: Cross multiply
    651,354.40x = 977,809.20 × 367,271.20
  4. Step 4: Simplify right side
    651,354.40x = 359,121,158,255.04
  5. Step 5: Solve for x
    x = 359,121,158,255.04/651,354.40
  6. Step 6: Final answer
    x = 551,345.26

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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.