Home / 632,514.08-872,880-346,036.16

Finding the Fourth Proportional to 632,514.08, 872,880 and 346,036.16

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Solution

The fourth proportional to 632,514.08, 872,880 and 346,036.16 is: 477,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,514.08 : 872,880 = 346,036.16 : x
  2. Step 2: Convert to fraction form
    632,514.08/872,880 = 346,036.16/x
  3. Step 3: Cross multiply
    632,514.08x = 872,880 × 346,036.16
  4. Step 4: Simplify right side
    632,514.08x = 302,048,043,340.80
  5. Step 5: Solve for x
    x = 302,048,043,340.80/632,514.08
  6. Step 6: Final answer
    x = 477,535.68

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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.