Home / 648,000.90-972,001.35-596,679.30

Finding the Fourth Proportional to 648,000.90, 972,001.35 and 596,679.30

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Solution

The fourth proportional to 648,000.90, 972,001.35 and 596,679.30 is: 895,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,000.90 : 972,001.35 = 596,679.30 : x
  2. Step 2: Convert to fraction form
    648,000.90/972,001.35 = 596,679.30/x
  3. Step 3: Cross multiply
    648,000.90x = 972,001.35 × 596,679.30
  4. Step 4: Simplify right side
    648,000.90x = 579,973,085,117.06
  5. Step 5: Solve for x
    x = 579,973,085,117.06/648,000.90
  6. Step 6: Final answer
    x = 895,018.95

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Double scale
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Similar ratio
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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.