Home / 953,108.30-1,315,298.58-523,397.42

Finding the Fourth Proportional to 953,108.30, 1,315,298.58 and 523,397.42

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Solution

The fourth proportional to 953,108.30, 1,315,298.58 and 523,397.42 is: 722,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,108.30 : 1,315,298.58 = 523,397.42 : x
  2. Step 2: Convert to fraction form
    953,108.30/1,315,298.58 = 523,397.42/x
  3. Step 3: Cross multiply
    953,108.30x = 1,315,298.58 × 523,397.42
  4. Step 4: Simplify right side
    953,108.30x = 688,423,883,301.66
  5. Step 5: Solve for x
    x = 688,423,883,301.66/953,108.30
  6. Step 6: Final answer
    x = 722,293.45

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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.