Home / 788,352.39-1,087,927.35-448,820.64

Finding the Fourth Proportional to 788,352.39, 1,087,927.35 and 448,820.64

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Solution

The fourth proportional to 788,352.39, 1,087,927.35 and 448,820.64 is: 619,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,352.39 : 1,087,927.35 = 448,820.64 : x
  2. Step 2: Convert to fraction form
    788,352.39/1,087,927.35 = 448,820.64/x
  3. Step 3: Cross multiply
    788,352.39x = 1,087,927.35 × 448,820.64
  4. Step 4: Simplify right side
    788,352.39x = 488,284,249,500.50
  5. Step 5: Solve for x
    x = 488,284,249,500.50/788,352.39
  6. Step 6: Final answer
    x = 619,373.08

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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.