Home / 687,776.10-1,031,664.15-604,832.10

Finding the Fourth Proportional to 687,776.10, 1,031,664.15 and 604,832.10

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Solution

The fourth proportional to 687,776.10, 1,031,664.15 and 604,832.10 is: 907,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,776.10 : 1,031,664.15 = 604,832.10 : x
  2. Step 2: Convert to fraction form
    687,776.10/1,031,664.15 = 604,832.10/x
  3. Step 3: Cross multiply
    687,776.10x = 1,031,664.15 × 604,832.10
  4. Step 4: Simplify right side
    687,776.10x = 623,983,594,339.22
  5. Step 5: Solve for x
    x = 623,983,594,339.22/687,776.10
  6. Step 6: Final answer
    x = 907,248.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.