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Finding the Fourth Proportional to 651,360.40, 977,818.20 and 367,277.20

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Solution

The fourth proportional to 651,360.40, 977,818.20 and 367,277.20 is: 551,354.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,360.40 : 977,818.20 = 367,277.20 : x
  2. Step 2: Convert to fraction form
    651,360.40/977,818.20 = 367,277.20/x
  3. Step 3: Cross multiply
    651,360.40x = 977,818.20 × 367,277.20
  4. Step 4: Simplify right side
    651,360.40x = 359,130,330,605.04
  5. Step 5: Solve for x
    x = 359,130,330,605.04/651,360.40
  6. Step 6: Final answer
    x = 551,354.26

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1.5x scale

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.