Home / 897,482.57-1,238,725.66-570,729.36

Finding the Fourth Proportional to 897,482.57, 1,238,725.66 and 570,729.36

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Solution

The fourth proportional to 897,482.57, 1,238,725.66 and 570,729.36 is: 787,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,482.57 : 1,238,725.66 = 570,729.36 : x
  2. Step 2: Convert to fraction form
    897,482.57/1,238,725.66 = 570,729.36/x
  3. Step 3: Cross multiply
    897,482.57x = 1,238,725.66 × 570,729.36
  4. Step 4: Simplify right side
    897,482.57x = 706,977,101,720.55
  5. Step 5: Solve for x
    x = 706,977,101,720.55/897,482.57
  6. Step 6: Final answer
    x = 787,733.52

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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.