Home / 830,435.17-1,146,000.51-448,461.91

Finding the Fourth Proportional to 830,435.17, 1,146,000.51 and 448,461.91

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Solution

The fourth proportional to 830,435.17, 1,146,000.51 and 448,461.91 is: 618,877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,435.17 : 1,146,000.51 = 448,461.91 : x
  2. Step 2: Convert to fraction form
    830,435.17/1,146,000.51 = 448,461.91/x
  3. Step 3: Cross multiply
    830,435.17x = 1,146,000.51 × 448,461.91
  4. Step 4: Simplify right side
    830,435.17x = 513,937,577,575.57
  5. Step 5: Solve for x
    x = 513,937,577,575.57/830,435.17
  6. Step 6: Final answer
    x = 618,877.42

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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.