Home / 714,818.70-1,073,005.65-399,890.70

Finding the Fourth Proportional to 714,818.70, 1,073,005.65 and 399,890.70

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Solution

The fourth proportional to 714,818.70, 1,073,005.65 and 399,890.70 is: 600,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,818.70 : 1,073,005.65 = 399,890.70 : x
  2. Step 2: Convert to fraction form
    714,818.70/1,073,005.65 = 399,890.70/x
  3. Step 3: Cross multiply
    714,818.70x = 1,073,005.65 × 399,890.70
  4. Step 4: Simplify right side
    714,818.70x = 429,084,980,482.46
  5. Step 5: Solve for x
    x = 429,084,980,482.46/714,818.70
  6. Step 6: Final answer
    x = 600,271.06

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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.