Home / 752,510.16-1,038,483.72-430,272.72

Finding the Fourth Proportional to 752,510.16, 1,038,483.72 and 430,272.72

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Solution

The fourth proportional to 752,510.16, 1,038,483.72 and 430,272.72 is: 593,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,510.16 : 1,038,483.72 = 430,272.72 : x
  2. Step 2: Convert to fraction form
    752,510.16/1,038,483.72 = 430,272.72/x
  3. Step 3: Cross multiply
    752,510.16x = 1,038,483.72 × 430,272.72
  4. Step 4: Simplify right side
    752,510.16x = 446,831,214,880.12
  5. Step 5: Solve for x
    x = 446,831,214,880.12/752,510.16
  6. Step 6: Final answer
    x = 593,787.62

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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.