Home / 907,123.60-1,361,203.80-346,560.40

Finding the Fourth Proportional to 907,123.60, 1,361,203.80 and 346,560.40

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Solution

The fourth proportional to 907,123.60, 1,361,203.80 and 346,560.40 is: 520,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,123.60 : 1,361,203.80 = 346,560.40 : x
  2. Step 2: Convert to fraction form
    907,123.60/1,361,203.80 = 346,560.40/x
  3. Step 3: Cross multiply
    907,123.60x = 1,361,203.80 × 346,560.40
  4. Step 4: Simplify right side
    907,123.60x = 471,739,333,409.52
  5. Step 5: Solve for x
    x = 471,739,333,409.52/907,123.60
  6. Step 6: Final answer
    x = 520,038.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.