Home / 623,004.40-859,711.08-368,437.60

Finding the Fourth Proportional to 623,004.40, 859,711.08 and 368,437.60

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Solution

The fourth proportional to 623,004.40, 859,711.08 and 368,437.60 is: 508,423.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,004.40 : 859,711.08 = 368,437.60 : x
  2. Step 2: Convert to fraction form
    623,004.40/859,711.08 = 368,437.60/x
  3. Step 3: Cross multiply
    623,004.40x = 859,711.08 × 368,437.60
  4. Step 4: Simplify right side
    623,004.40x = 316,749,887,008.61
  5. Step 5: Solve for x
    x = 316,749,887,008.61/623,004.40
  6. Step 6: Final answer
    x = 508,423.19

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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.