Home / 803,153.16-1,108,384.02-480,799.08

Finding the Fourth Proportional to 803,153.16, 1,108,384.02 and 480,799.08

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Solution

The fourth proportional to 803,153.16, 1,108,384.02 and 480,799.08 is: 663,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,153.16 : 1,108,384.02 = 480,799.08 : x
  2. Step 2: Convert to fraction form
    803,153.16/1,108,384.02 = 480,799.08/x
  3. Step 3: Cross multiply
    803,153.16x = 1,108,384.02 × 480,799.08
  4. Step 4: Simplify right side
    803,153.16x = 532,910,017,102.70
  5. Step 5: Solve for x
    x = 532,910,017,102.70/803,153.16
  6. Step 6: Final answer
    x = 663,522.28

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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.