Home / 830,030.34-1,145,411.62-462,488.48

Finding the Fourth Proportional to 830,030.34, 1,145,411.62 and 462,488.48

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Solution

The fourth proportional to 830,030.34, 1,145,411.62 and 462,488.48 is: 638,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,030.34 : 1,145,411.62 = 462,488.48 : x
  2. Step 2: Convert to fraction form
    830,030.34/1,145,411.62 = 462,488.48/x
  3. Step 3: Cross multiply
    830,030.34x = 1,145,411.62 × 462,488.48
  4. Step 4: Simplify right side
    830,030.34x = 529,739,673,381.08
  5. Step 5: Solve for x
    x = 529,739,673,381.08/830,030.34
  6. Step 6: Final answer
    x = 638,217.24

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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.