Home / 752,501.39-1,038,156.32-430,038.50

Finding the Fourth Proportional to 752,501.39, 1,038,156.32 and 430,038.50

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Solution

The fourth proportional to 752,501.39, 1,038,156.32 and 430,038.50 is: 593,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,501.39 : 1,038,156.32 = 430,038.50 : x
  2. Step 2: Convert to fraction form
    752,501.39/1,038,156.32 = 430,038.50/x
  3. Step 3: Cross multiply
    752,501.39x = 1,038,156.32 × 430,038.50
  4. Step 4: Simplify right side
    752,501.39x = 446,447,190,288.81
  5. Step 5: Solve for x
    x = 446,447,190,288.81/752,501.39
  6. Step 6: Final answer
    x = 593,284.20

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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.