Home / 864,303.40-1,296,455.10-365,602.60

Finding the Fourth Proportional to 864,303.40, 1,296,455.10 and 365,602.60

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Solution

The fourth proportional to 864,303.40, 1,296,455.10 and 365,602.60 is: 548,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,303.40 : 1,296,455.10 = 365,602.60 : x
  2. Step 2: Convert to fraction form
    864,303.40/1,296,455.10 = 365,602.60/x
  3. Step 3: Cross multiply
    864,303.40x = 1,296,455.10 × 365,602.60
  4. Step 4: Simplify right side
    864,303.40x = 473,987,355,343.26
  5. Step 5: Solve for x
    x = 473,987,355,343.26/864,303.40
  6. Step 6: Final answer
    x = 548,403.90

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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.