Home / 656,585.04-906,087.60-354,779.04

Finding the Fourth Proportional to 656,585.04, 906,087.60 and 354,779.04

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Solution

The fourth proportional to 656,585.04, 906,087.60 and 354,779.04 is: 489,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,585.04 : 906,087.60 = 354,779.04 : x
  2. Step 2: Convert to fraction form
    656,585.04/906,087.60 = 354,779.04/x
  3. Step 3: Cross multiply
    656,585.04x = 906,087.60 × 354,779.04
  4. Step 4: Simplify right side
    656,585.04x = 321,460,888,883.90
  5. Step 5: Solve for x
    x = 321,460,888,883.90/656,585.04
  6. Step 6: Final answer
    x = 489,595.21

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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.