Home / 803,136.40-1,108,384.48-459,023.04

Finding the Fourth Proportional to 803,136.40, 1,108,384.48 and 459,023.04

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Solution

The fourth proportional to 803,136.40, 1,108,384.48 and 459,023.04 is: 633,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,136.40 : 1,108,384.48 = 459,023.04 : x
  2. Step 2: Convert to fraction form
    803,136.40/1,108,384.48 = 459,023.04/x
  3. Step 3: Cross multiply
    803,136.40x = 1,108,384.48 × 459,023.04
  4. Step 4: Simplify right side
    803,136.40x = 508,774,013,498.42
  5. Step 5: Solve for x
    x = 508,774,013,498.42/803,136.40
  6. Step 6: Final answer
    x = 633,483.94

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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.