Home / 911,852.64-1,258,404.48-549,390.24

Finding the Fourth Proportional to 911,852.64, 1,258,404.48 and 549,390.24

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Solution

The fourth proportional to 911,852.64, 1,258,404.48 and 549,390.24 is: 758,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,852.64 : 1,258,404.48 = 549,390.24 : x
  2. Step 2: Convert to fraction form
    911,852.64/1,258,404.48 = 549,390.24/x
  3. Step 3: Cross multiply
    911,852.64x = 1,258,404.48 × 549,390.24
  4. Step 4: Simplify right side
    911,852.64x = 691,355,139,284.28
  5. Step 5: Solve for x
    x = 691,355,139,284.28/911,852.64
  6. Step 6: Final answer
    x = 758,187.35

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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.