Home / 514,826.58-710,431.65-300,001.62

Finding the Fourth Proportional to 514,826.58, 710,431.65 and 300,001.62

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Solution

The fourth proportional to 514,826.58, 710,431.65 and 300,001.62 is: 413,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,826.58 : 710,431.65 = 300,001.62 : x
  2. Step 2: Convert to fraction form
    514,826.58/710,431.65 = 300,001.62/x
  3. Step 3: Cross multiply
    514,826.58x = 710,431.65 × 300,001.62
  4. Step 4: Simplify right side
    514,826.58x = 213,130,645,899.27
  5. Step 5: Solve for x
    x = 213,130,645,899.27/514,826.58
  6. Step 6: Final answer
    x = 413,985.32

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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.