Home / 752,303.64-1,038,178.92-430,020.66

Finding the Fourth Proportional to 752,303.64, 1,038,178.92 and 430,020.66

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Solution

The fourth proportional to 752,303.64, 1,038,178.92 and 430,020.66 is: 593,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,303.64 : 1,038,178.92 = 430,020.66 : x
  2. Step 2: Convert to fraction form
    752,303.64/1,038,178.92 = 430,020.66/x
  3. Step 3: Cross multiply
    752,303.64x = 1,038,178.92 × 430,020.66
  4. Step 4: Simplify right side
    752,303.64x = 446,438,384,376.49
  5. Step 5: Solve for x
    x = 446,438,384,376.49/752,303.64
  6. Step 6: Final answer
    x = 593,428.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.