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Finding the Fourth Proportional to 973,215, 1,343,036.70 and 537,630.21

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Solution

The fourth proportional to 973,215, 1,343,036.70 and 537,630.21 is: 741,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,215 : 1,343,036.70 = 537,630.21 : x
  2. Step 2: Convert to fraction form
    973,215/1,343,036.70 = 537,630.21/x
  3. Step 3: Cross multiply
    973,215x = 1,343,036.70 × 537,630.21
  4. Step 4: Simplify right side
    973,215x = 722,057,103,058.71
  5. Step 5: Solve for x
    x = 722,057,103,058.71/973,215
  6. Step 6: Final answer
    x = 741,929.69

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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.