Home / 679,950.20-1,019,925.30-456,001.40

Finding the Fourth Proportional to 679,950.20, 1,019,925.30 and 456,001.40

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Solution

The fourth proportional to 679,950.20, 1,019,925.30 and 456,001.40 is: 684,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,950.20 : 1,019,925.30 = 456,001.40 : x
  2. Step 2: Convert to fraction form
    679,950.20/1,019,925.30 = 456,001.40/x
  3. Step 3: Cross multiply
    679,950.20x = 1,019,925.30 × 456,001.40
  4. Step 4: Simplify right side
    679,950.20x = 465,087,364,695.42
  5. Step 5: Solve for x
    x = 465,087,364,695.42/679,950.20
  6. Step 6: Final answer
    x = 684,002.10

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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.