Home / 971,442.90-1,456,095.15-340,031.70

Finding the Fourth Proportional to 971,442.90, 1,456,095.15 and 340,031.70

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Solution

The fourth proportional to 971,442.90, 1,456,095.15 and 340,031.70 is: 509,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,442.90 : 1,456,095.15 = 340,031.70 : x
  2. Step 2: Convert to fraction form
    971,442.90/1,456,095.15 = 340,031.70/x
  3. Step 3: Cross multiply
    971,442.90x = 1,456,095.15 × 340,031.70
  4. Step 4: Simplify right side
    971,442.90x = 495,118,509,216.26
  5. Step 5: Solve for x
    x = 495,118,509,216.26/971,442.90
  6. Step 6: Final answer
    x = 509,673.30

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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.