Home / 963,938.40-1,445,648.40-402,856.80

Finding the Fourth Proportional to 963,938.40, 1,445,648.40 and 402,856.80

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Solution

The fourth proportional to 963,938.40, 1,445,648.40 and 402,856.80 is: 604,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,938.40 : 1,445,648.40 = 402,856.80 : x
  2. Step 2: Convert to fraction form
    963,938.40/1,445,648.40 = 402,856.80/x
  3. Step 3: Cross multiply
    963,938.40x = 1,445,648.40 × 402,856.80
  4. Step 4: Simplify right side
    963,938.40x = 582,389,288,349.12
  5. Step 5: Solve for x
    x = 582,389,288,349.12/963,938.40
  6. Step 6: Final answer
    x = 604,176.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.