Home / 907,337.80-1,361,006.70-402,140.80

Finding the Fourth Proportional to 907,337.80, 1,361,006.70 and 402,140.80

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Solution

The fourth proportional to 907,337.80, 1,361,006.70 and 402,140.80 is: 603,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,337.80 : 1,361,006.70 = 402,140.80 : x
  2. Step 2: Convert to fraction form
    907,337.80/1,361,006.70 = 402,140.80/x
  3. Step 3: Cross multiply
    907,337.80x = 1,361,006.70 × 402,140.80
  4. Step 4: Simplify right side
    907,337.80x = 547,316,323,143.36
  5. Step 5: Solve for x
    x = 547,316,323,143.36/907,337.80
  6. Step 6: Final answer
    x = 603,211.20

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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.