Home / 810,900.92-1,118,946.53-448,276.07

Finding the Fourth Proportional to 810,900.92, 1,118,946.53 and 448,276.07

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Solution

The fourth proportional to 810,900.92, 1,118,946.53 and 448,276.07 is: 618,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,900.92 : 1,118,946.53 = 448,276.07 : x
  2. Step 2: Convert to fraction form
    810,900.92/1,118,946.53 = 448,276.07/x
  3. Step 3: Cross multiply
    810,900.92x = 1,118,946.53 × 448,276.07
  4. Step 4: Simplify right side
    810,900.92x = 501,596,948,534.50
  5. Step 5: Solve for x
    x = 501,596,948,534.50/810,900.92
  6. Step 6: Final answer
    x = 618,567.50

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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.