Home / 830,435.82-1,146,001.43-448,462.57

Finding the Fourth Proportional to 830,435.82, 1,146,001.43 and 448,462.57

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Solution

The fourth proportional to 830,435.82, 1,146,001.43 and 448,462.57 is: 618,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,435.82 : 1,146,001.43 = 448,462.57 : x
  2. Step 2: Convert to fraction form
    830,435.82/1,146,001.43 = 448,462.57/x
  3. Step 3: Cross multiply
    830,435.82x = 1,146,001.43 × 448,462.57
  4. Step 4: Simplify right side
    830,435.82x = 513,938,746,521.48
  5. Step 5: Solve for x
    x = 513,938,746,521.48/830,435.82
  6. Step 6: Final answer
    x = 618,878.35

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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.