Home / 707,011.55-975,678.05-384,721.73

Finding the Fourth Proportional to 707,011.55, 975,678.05 and 384,721.73

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Solution

The fourth proportional to 707,011.55, 975,678.05 and 384,721.73 is: 530,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,011.55 : 975,678.05 = 384,721.73 : x
  2. Step 2: Convert to fraction form
    707,011.55/975,678.05 = 384,721.73/x
  3. Step 3: Cross multiply
    707,011.55x = 975,678.05 × 384,721.73
  4. Step 4: Simplify right side
    707,011.55x = 375,364,545,395.42
  5. Step 5: Solve for x
    x = 375,364,545,395.42/707,011.55
  6. Step 6: Final answer
    x = 530,917.13

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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.