Home / 910,027.80-1,365,041.70-768,310.20

Finding the Fourth Proportional to 910,027.80, 1,365,041.70 and 768,310.20

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Solution

The fourth proportional to 910,027.80, 1,365,041.70 and 768,310.20 is: 1,152,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,027.80 : 1,365,041.70 = 768,310.20 : x
  2. Step 2: Convert to fraction form
    910,027.80/1,365,041.70 = 768,310.20/x
  3. Step 3: Cross multiply
    910,027.80x = 1,365,041.70 × 768,310.20
  4. Step 4: Simplify right side
    910,027.80x = 1,048,775,461,535.34
  5. Step 5: Solve for x
    x = 1,048,775,461,535.34/910,027.80
  6. Step 6: Final answer
    x = 1,152,465.30

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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.