Home / 910,358.88-1,365,101.80-430,187.02

Finding the Fourth Proportional to 910,358.88, 1,365,101.80 and 430,187.02

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Solution

The fourth proportional to 910,358.88, 1,365,101.80 and 430,187.02 is: 645,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,358.88 : 1,365,101.80 = 430,187.02 : x
  2. Step 2: Convert to fraction form
    910,358.88/1,365,101.80 = 430,187.02/x
  3. Step 3: Cross multiply
    910,358.88x = 1,365,101.80 × 430,187.02
  4. Step 4: Simplify right side
    910,358.88x = 587,249,075,338.64
  5. Step 5: Solve for x
    x = 587,249,075,338.64/910,358.88
  6. Step 6: Final answer
    x = 645,074.25

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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.