Home / 947,303.16-1,420,934.76-307,606.20

Finding the Fourth Proportional to 947,303.16, 1,420,934.76 and 307,606.20

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Solution

The fourth proportional to 947,303.16, 1,420,934.76 and 307,606.20 is: 461,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,303.16 : 1,420,934.76 = 307,606.20 : x
  2. Step 2: Convert to fraction form
    947,303.16/1,420,934.76 = 307,606.20/x
  3. Step 3: Cross multiply
    947,303.16x = 1,420,934.76 × 307,606.20
  4. Step 4: Simplify right side
    947,303.16x = 437,088,341,971.51
  5. Step 5: Solve for x
    x = 437,088,341,971.51/947,303.16
  6. Step 6: Final answer
    x = 461,402.81

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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.