Home / 926,254.20-1,388,655.54-365,708.28

Finding the Fourth Proportional to 926,254.20, 1,388,655.54 and 365,708.28

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Solution

The fourth proportional to 926,254.20, 1,388,655.54 and 365,708.28 is: 548,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,254.20 : 1,388,655.54 = 365,708.28 : x
  2. Step 2: Convert to fraction form
    926,254.20/1,388,655.54 = 365,708.28/x
  3. Step 3: Cross multiply
    926,254.20x = 1,388,655.54 × 365,708.28
  4. Step 4: Simplify right side
    926,254.20x = 507,842,829,045.87
  5. Step 5: Solve for x
    x = 507,842,829,045.87/926,254.20
  6. Step 6: Final answer
    x = 548,275.87

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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.