Home / 752,875.08-1,038,968.28-408,710.76

Finding the Fourth Proportional to 752,875.08, 1,038,968.28 and 408,710.76

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Solution

The fourth proportional to 752,875.08, 1,038,968.28 and 408,710.76 is: 564,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,875.08 : 1,038,968.28 = 408,710.76 : x
  2. Step 2: Convert to fraction form
    752,875.08/1,038,968.28 = 408,710.76/x
  3. Step 3: Cross multiply
    752,875.08x = 1,038,968.28 × 408,710.76
  4. Step 4: Simplify right side
    752,875.08x = 424,637,515,334.69
  5. Step 5: Solve for x
    x = 424,637,515,334.69/752,875.08
  6. Step 6: Final answer
    x = 564,021.21

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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.