Home / 1,025,330.40-1,538,110.80-315,352.80

Finding the Fourth Proportional to 1,025,330.40, 1,538,110.80 and 315,352.80

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Solution

The fourth proportional to 1,025,330.40, 1,538,110.80 and 315,352.80 is: 473,064.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,330.40 : 1,538,110.80 = 315,352.80 : x
  2. Step 2: Convert to fraction form
    1,025,330.40/1,538,110.80 = 315,352.80/x
  3. Step 3: Cross multiply
    1,025,330.40x = 1,538,110.80 × 315,352.80
  4. Step 4: Simplify right side
    1,025,330.40x = 485,047,547,490.24
  5. Step 5: Solve for x
    x = 485,047,547,490.24/1,025,330.40
  6. Step 6: Final answer
    x = 473,064.63

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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.