Home / 907,702.83-1,361,550.08-432,948.87

Finding the Fourth Proportional to 907,702.83, 1,361,550.08 and 432,948.87

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Solution

The fourth proportional to 907,702.83, 1,361,550.08 and 432,948.87 is: 649,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,702.83 : 1,361,550.08 = 432,948.87 : x
  2. Step 2: Convert to fraction form
    907,702.83/1,361,550.08 = 432,948.87/x
  3. Step 3: Cross multiply
    907,702.83x = 1,361,550.08 × 432,948.87
  4. Step 4: Simplify right side
    907,702.83x = 589,481,566,419.67
  5. Step 5: Solve for x
    x = 589,481,566,419.67/907,702.83
  6. Step 6: Final answer
    x = 649,421.32

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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.