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Finding the Fourth Proportional to 704,444.62, 972,133.58 and 402,645.10

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Solution

The fourth proportional to 704,444.62, 972,133.58 and 402,645.10 is: 555,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,444.62 : 972,133.58 = 402,645.10 : x
  2. Step 2: Convert to fraction form
    704,444.62/972,133.58 = 402,645.10/x
  3. Step 3: Cross multiply
    704,444.62x = 972,133.58 × 402,645.10
  4. Step 4: Simplify right side
    704,444.62x = 391,424,822,532.46
  5. Step 5: Solve for x
    x = 391,424,822,532.46/704,444.62
  6. Step 6: Final answer
    x = 555,650.24

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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.