Home / 706,870.12-975,470.04-384,572.86

Finding the Fourth Proportional to 706,870.12, 975,470.04 and 384,572.86

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Solution

The fourth proportional to 706,870.12, 975,470.04 and 384,572.86 is: 530,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,870.12 : 975,470.04 = 384,572.86 : x
  2. Step 2: Convert to fraction form
    706,870.12/975,470.04 = 384,572.86/x
  3. Step 3: Cross multiply
    706,870.12x = 975,470.04 × 384,572.86
  4. Step 4: Simplify right side
    706,870.12x = 375,139,303,127.11
  5. Step 5: Solve for x
    x = 375,139,303,127.11/706,870.12
  6. Step 6: Final answer
    x = 530,704.71

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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.