Home / 752,852.48-1,038,918.96-430,543.35

Finding the Fourth Proportional to 752,852.48, 1,038,918.96 and 430,543.35

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Solution

The fourth proportional to 752,852.48, 1,038,918.96 and 430,543.35 is: 594,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,852.48 : 1,038,918.96 = 430,543.35 : x
  2. Step 2: Convert to fraction form
    752,852.48/1,038,918.96 = 430,543.35/x
  3. Step 3: Cross multiply
    752,852.48x = 1,038,918.96 × 430,543.35
  4. Step 4: Simplify right side
    752,852.48x = 447,299,649,416.92
  5. Step 5: Solve for x
    x = 447,299,649,416.92/752,852.48
  6. Step 6: Final answer
    x = 594,139.84

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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.