Home / 786,217.76-1,084,980.48-446,686.40

Finding the Fourth Proportional to 786,217.76, 1,084,980.48 and 446,686.40

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Solution

The fourth proportional to 786,217.76, 1,084,980.48 and 446,686.40 is: 616,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,217.76 : 1,084,980.48 = 446,686.40 : x
  2. Step 2: Convert to fraction form
    786,217.76/1,084,980.48 = 446,686.40/x
  3. Step 3: Cross multiply
    786,217.76x = 1,084,980.48 × 446,686.40
  4. Step 4: Simplify right side
    786,217.76x = 484,646,024,681.47
  5. Step 5: Solve for x
    x = 484,646,024,681.47/786,217.76
  6. Step 6: Final answer
    x = 616,427.22

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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.