Home / 756,669.96-1,044,018.90-498,518.28

Finding the Fourth Proportional to 756,669.96, 1,044,018.90 and 498,518.28

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Solution

The fourth proportional to 756,669.96, 1,044,018.90 and 498,518.28 is: 687,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,669.96 : 1,044,018.90 = 498,518.28 : x
  2. Step 2: Convert to fraction form
    756,669.96/1,044,018.90 = 498,518.28/x
  3. Step 3: Cross multiply
    756,669.96x = 1,044,018.90 × 498,518.28
  4. Step 4: Simplify right side
    756,669.96x = 520,462,506,315.49
  5. Step 5: Solve for x
    x = 520,462,506,315.49/756,669.96
  6. Step 6: Final answer
    x = 687,832.92

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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.